{"title":"All Biology","description":"","products":[{"product_id":"253_apologia-slide-set","title":"Prepared Microscope Slides - Apologia\/Berean","description":"\u003cp data-start=\"147\" data-end=\"276\"\u003e\u003cstrong data-start=\"147\" data-end=\"276\"\u003ePrepared Microscope Slide Set for \u003cem data-start=\"183\" data-end=\"222\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eExploring Creation with Biology\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e \u0026amp; \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eBerean Builders\u003c\/span\u003e\u003c\/span\u003e – 16 Slides\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"278\" data-end=\"673\"\u003eThis \u003cstrong data-start=\"283\" data-end=\"316\"\u003eprepared microscope slide set\u003c\/strong\u003e contains the required slides for completing the microscopy activities used with \u003cem data-start=\"397\" data-end=\"430\"\u003eExploring Creation with Biology\u003c\/em\u003e and \u003cstrong data-start=\"435\" data-end=\"473\"\u003eBerean Builders biology coursework\u003c\/strong\u003e. Thoughtfully curated to align with lesson content, this set allows students to explore a broad range of \u003cstrong data-start=\"579\" data-end=\"619\"\u003eplant, animal, and protist specimens\u003c\/strong\u003e while building confidence with microscope techniques.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"981\"\u003eEach slide is \u003cstrong data-start=\"689\" data-end=\"736\"\u003eprofessionally prepared and clearly labeled\u003c\/strong\u003e, making it easy to identify structures and biological processes discussed in the curriculum. From unicellular organisms to plant tissues and developmental stages, these slides reinforce key biology concepts through direct, hands-on observation.\u003c\/p\u003e\n\u003cp data-start=\"983\" data-end=\"1190\"\u003eWell suited for \u003cstrong data-start=\"999\" data-end=\"1061\"\u003ebiology labs, classroom instruction, and independent study\u003c\/strong\u003e, this ready-to-use slide set eliminates guesswork and ensures students have exactly what they need for required microscope work.\u003c\/p\u003e\n\u003cp data-start=\"1192\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1192\" data-end=\"1223\"\u003eThis 16-slide set includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1224\" data-end=\"1544\"\u003e\n\u003cli data-start=\"1224\" data-end=\"1242\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1242\"\u003e\u003cem data-start=\"1226\" data-end=\"1242\"\u003eAmoeba proteus\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1243\" data-end=\"1262\"\u003e\n\u003cp data-start=\"1245\" data-end=\"1262\"\u003e\u003cem data-start=\"1245\" data-end=\"1254\"\u003eAscaris\u003c\/em\u003e mitosis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1263\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1265\" data-end=\"1272\"\u003eDiatoms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1284\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1284\"\u003e\u003cem data-start=\"1275\" data-end=\"1284\"\u003eEuglena\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1285\" data-end=\"1314\"\u003e\n\u003cp data-start=\"1287\" data-end=\"1314\"\u003e\u003cem data-start=\"1287\" data-end=\"1296\"\u003eGrantia\u003c\/em\u003e (sponge) spicules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1315\" data-end=\"1332\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1332\"\u003e\u003cem data-start=\"1317\" data-end=\"1324\"\u003eHydra\u003c\/em\u003e budding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1333\" data-end=\"1363\"\u003e\n\u003cp data-start=\"1335\" data-end=\"1363\"\u003eLeaf cross-section with vein\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1364\" data-end=\"1380\"\u003e\n\u003cp data-start=\"1366\" data-end=\"1380\"\u003eOnion root tip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1381\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1383\" data-end=\"1395\"\u003e\u003cem data-start=\"1383\" data-end=\"1395\"\u003eParamecium\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1396\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1398\" data-end=\"1407\"\u003ePlanarian\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1439\"\u003e\n\u003cp data-start=\"1410\" data-end=\"1439\"\u003e\u003cem data-start=\"1410\" data-end=\"1422\"\u003eRanunculus\u003c\/em\u003e (buttercup) root\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1440\" data-end=\"1459\"\u003e\n\u003cp data-start=\"1442\" data-end=\"1459\"\u003e\u003cem data-start=\"1442\" data-end=\"1454\"\u003eRanunculus\u003c\/em\u003e stem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1460\" data-end=\"1490\"\u003e\n\u003cp data-start=\"1462\" data-end=\"1490\"\u003e\u003cem data-start=\"1462\" data-end=\"1473\"\u003eSpirogyra\u003c\/em\u003e with conjugation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1491\" data-end=\"1501\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1501\"\u003e\u003cem data-start=\"1493\" data-end=\"1501\"\u003eVolvox\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1502\" data-end=\"1526\"\u003e\n\u003cp data-start=\"1504\" data-end=\"1526\"\u003e\u003cem data-start=\"1504\" data-end=\"1514\"\u003eZea mays\u003c\/em\u003e (corn) root\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1527\" data-end=\"1544\"\u003e\n\u003cp data-start=\"1529\" data-end=\"1544\"\u003e\u003cem data-start=\"1529\" data-end=\"1539\"\u003eZea mays\u003c\/em\u003e stem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075526537416,"sku":"A00039","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_85091686-706f-4f62-931f-8c3a98ab9097.jpg?v=1653587451"},{"product_id":"183_apologia-biology-dissection-specimens-specimens-only","title":"Apologia \/ Berean Dissection Specimens","description":"\u003ch3 style=\"text-align: center;\" data-start=\"0\" data-end=\"72\"\u003e\u003cspan style=\"color: rgb(160, 29, 3);\"\u003eDue to an industry-wide shortage of frogs, this pack is currently unavailable.\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\" data-start=\"0\" data-end=\"72\"\u003e\u003cspan style=\"color: rgb(160, 29, 3);\"\u003eWe hope to have more information in June-July of 2026\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\" data-start=\"0\" data-end=\"72\"\u003e\u003cspan style=\"color: rgb(160, 29, 3);\"\u003eYou may order the perch, worm, and crayfish individually. \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\" data-start=\"0\" data-end=\"72\"\u003e\u003cspan style=\"color: rgb(160, 29, 3);\"\u003eWe suggest substituting another specimen for the frog. Good whole-organism candidates include bullfrogs, grasshoppers, clams, squid, starfish, and pigs.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"0\" data-end=\"72\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"72\"\u003eBiology Dissection Specimen Bundle for Homeschool \u0026amp; Classroom Labs\u003c\/p\u003e\n\u003cp data-start=\"74\" data-end=\"662\"\u003eThis biology dissection specimen bundle contains the four required specimens for \u003cstrong data-start=\"155\" data-end=\"201\"\u003eApologia’s Exploring Creation with Biology\u003c\/strong\u003e and \u003cstrong data-start=\"206\" data-end=\"258\"\u003eBerean Builders’ Discovering Design with Biology\u003c\/strong\u003e, making it a convenient and reliable option for homeschool families and classroom instructors. This curated set allows students to study both vertebrate and invertebrate organisms while practicing \u003cstrong data-start=\"456\" data-end=\"487\"\u003ehands-on biology dissection\u003c\/strong\u003e skills across multiple body systems. Each specimen is individually vacuum-bagged to prevent drying and ensure clear visibility of anatomical structures throughout the course.\u003c\/p\u003e\n\u003cp data-start=\"664\" data-end=\"699\"\u003eBiology Dissection Bundle Contents:\u003c\/p\u003e\n\u003cul data-start=\"700\" data-end=\"869\"\u003e\n\u003cli data-start=\"700\" data-end=\"760\"\u003e\n\u003cp data-start=\"702\" data-end=\"760\"\u003eOne grass frog (3–4 inches body length, double-injected)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"761\" data-end=\"797\"\u003e\n\u003cp data-start=\"763\" data-end=\"797\"\u003eOne crayfish (4–6 inches, plain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"798\" data-end=\"831\"\u003e\n\u003cp data-start=\"800\" data-end=\"831\"\u003eOne perch (7–9 inches, plain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"832\" data-end=\"869\"\u003e\n\u003cp data-start=\"834\" data-end=\"869\"\u003eOne earthworm (5–9 inches, plain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"871\" data-end=\"1325\"\u003eThis specimen bundle supports instruction in \u003cstrong data-start=\"916\" data-end=\"955\"\u003evertebrate and invertebrate anatomy\u003c\/strong\u003e, organ system identification, and comparative biology, making it well suited for homeschool biology programs and middle to high school science courses. All specimens are prepared for \u003cstrong data-start=\"1139\" data-end=\"1172\"\u003ehands-on classroom dissection\u003c\/strong\u003e and packaged individually for ease of use and storage. This bundle includes specimens only; the dissection pan and dissection tool set are not included.\u003c\/p\u003e\n\u003cp data-start=\"1327\" data-end=\"1565\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1344\"\u003eDid You Know?\u003c\/strong\u003e Studying multiple organisms in one course helps students recognize patterns in body systems, such as digestion and circulation, while also highlighting how structure relates to function across different types of animals.\u003c\/p\u003e\n\u003cp data-start=\"1567\" data-end=\"1858\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1567\" data-end=\"1858\"\u003eDiscounts available for purchases of 10 or more specimen bundles!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075529257160,"sku":"","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_f37eeb26-4ff5-4001-8f9a-74bc12af4dc2.jpg?v=1654099393"},{"product_id":"122_anatomy-sticker-package","title":"Human Anatomy Sticker Set","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-3\" data-testid=\"conversation-turn-8\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"df8f5549-2087-402f-93d6-4d1815f9a4e5\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"77\"\u003e\u003cstrong data-start=\"0\" data-end=\"77\"\u003eRemovable Vinyl Organ, Muscle \u0026amp; Skeleton Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"79\" data-end=\"409\"\u003eMake anatomy lessons interactive with our Human Anatomy Sticker Pack, a hands-on learning tool designed for middle school and high school science. These custom-designed vinyl anatomy stickers are accurate, durable, and fully removable, allowing students to peel, place, adjust, and repeat as they master human body systems.\u003c\/p\u003e\n\u003cp data-start=\"411\" data-end=\"671\"\u003eStudents receive 55 detailed \u003cstrong\u003eorgan, muscle, and bone stickers\u003c\/strong\u003e along with 44 coordinating name labels for guided identification and review. The reusable design supports visual learning, independent practice, co-op group activities, and classroom demonstrations.\u003c\/p\u003e\n\u003cp data-start=\"673\" data-end=\"695\"\u003e\u003cstrong\u003eSticker Pack Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"697\" data-end=\"995\"\u003e\n\u003cli data-start=\"697\" data-end=\"767\"\u003e\n\u003cp data-start=\"699\" data-end=\"767\"\u003eOne 8.5x11 sticker sheet with 16 organ stickers and 14 name labels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"768\" data-end=\"862\"\u003e\n\u003cp data-start=\"770\" data-end=\"862\"\u003eOne 8.5x11 sticker sheet with 25 skeletal stickers, 14 muscle stickers, and 30 name labels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"921\"\u003e\n\u003cp data-start=\"865\" data-end=\"921\"\u003eOne laminated upper-body worksheet for organ placement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"995\"\u003e\n\u003cp data-start=\"924\" data-end=\"995\"\u003eOne laminated full-body worksheet for skeletal and muscular placement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"997\" data-end=\"1289\"\u003eThis anatomy activity strengthens retention of anatomical vocabulary, spatial awareness of body systems, and system-to-system relationships. Students actively engage with nervous, digestive, cardiovascular, respiratory, skeletal, and muscular structures while reinforcing correct terminology.\u003c\/p\u003e\n\u003cp data-start=\"1291\" data-end=\"1450\"\u003eA free downloadable \u003ca href=\"https:\/\/cornerstone-edsupply.com\/pages\/learning-center#show-m-1617418065120\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"1311\" data-end=\"1328\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTeacher’s Key\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e is included to guide instruction and simplify grading. The key provides a completed visual reference for both worksheets.\u003c\/p\u003e\n\u003cp data-start=\"1452\" data-end=\"1703\"\u003e\u003cstrong\u003eFor a complete unit study\u003c\/strong\u003e, add our \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/anatomy-lessons\" title=\"Anatomy Lesson Plan Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMiddle\/High School Human Anatomy Lesson Plans\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e (PDF). This six-lesson, 40-page resource includes structured teaching guides, materials lists, vocabulary development, anatomy discussions, and group activities covering:\u003c\/p\u003e\n\u003cul data-start=\"1705\" data-end=\"1905\"\u003e\n\u003cli data-start=\"1705\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1723\"\u003eNervous System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1752\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1752\"\u003eSkin, Bones, and Muscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1773\"\u003e\n\u003cp data-start=\"1755\" data-end=\"1773\"\u003eDigestive System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1774\" data-end=\"1814\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1814\"\u003eCardiovascular and Excretory Systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1815\" data-end=\"1837\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1837\"\u003eRespiratory System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1838\" data-end=\"1905\"\u003e\n\u003cp data-start=\"1840\" data-end=\"1905\"\u003eSpecial Senses (Smell, Taste, Hearing, Vision, and Equilibrium)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1907\" data-end=\"2082\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis removable anatomy sticker set is an excellent addition to homeschool science curriculum, private school biology classes, co-op anatomy labs, and interactive health units.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/RFtU8QQM7uU\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659772534984,"sku":"A00467","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_a72c08f6-612c-4ad2-b4da-08afbe97dce9.jpg?v=1654097840"},{"product_id":"127_human-anatomy-model-large","title":"Large Human Anatomy Model","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-42\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-20\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"738ef000-9687-434b-b60e-d3f7a1184f3e\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"109\" data-start=\"42\"\u003e\u003cstrong data-end=\"109\" data-start=\"42\"\u003e40-Removable-Part Adult Torso (36\")\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"487\" data-start=\"111\"\u003eThe Large Human Anatomy Model is a full-size, adult-scale torso designed for in-depth anatomy instruction in homeschool programs, co-ops, and classroom biology labs. Standing 36 inches tall and mounted on a stable base (approximately 16\" wide x 14\" deep), this detailed teaching model features \u003cstrong\u003e40 removable pieces\u003c\/strong\u003e that display the internal organization of the human torso.\u003c\/p\u003e\n\u003cp data-end=\"667\" data-start=\"489\"\u003eThis comprehensive anatomy model includes both male and female reproductive organs, allowing for complete human body system study in upper-level life science and biology courses.\u003c\/p\u003e\n\u003cp data-end=\"694\" data-start=\"669\"\u003e\u003cstrong\u003eIncluded Removable Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1109\" data-start=\"696\"\u003e\n\u003cli data-end=\"747\" data-start=\"696\"\u003e\n\u003cp data-end=\"747\" data-start=\"698\"\u003eHead components: head, eyeball, brain (8 parts)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"791\" data-start=\"748\"\u003e\n\u003cp data-end=\"791\" data-start=\"750\"\u003e2 vertebrae with 2 spinal cord segments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"815\" data-start=\"792\"\u003e\n\u003cp data-end=\"815\" data-start=\"794\"\u003eFemale breast plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"856\" data-start=\"816\"\u003e\n\u003cp data-end=\"856\" data-start=\"818\"\u003eTrachea, esophagus, descending aorta\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"904\" data-start=\"857\"\u003e\n\u003cp data-end=\"904\" data-start=\"859\"\u003eHeart (2 parts showing chambers and valves)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"959\" data-start=\"905\"\u003e\n\u003cp data-end=\"959\" data-start=\"907\"\u003eLeft and right lungs (2 parts each) with diaphragm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1018\" data-start=\"960\"\u003e\n\u003cp data-end=\"1018\" data-start=\"962\"\u003eLiver, stomach (2 parts), kidney, intestines (4 parts)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1057\" data-start=\"1019\"\u003e\n\u003cp data-end=\"1057\" data-start=\"1021\"\u003eMale reproductive organs (4 parts)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1109\" data-start=\"1058\"\u003e\n\u003cp data-end=\"1109\" data-start=\"1060\"\u003eFemale reproductive organs (2 parts plus fetus)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1386\" data-start=\"1111\"\u003eThis life-size torso model supports detailed instruction in organ systems, anatomical relationships, and internal body structure. The removable components allow students to visualize system interaction, examine organ placement, and conduct guided walk-through demonstrations.\u003c\/p\u003e\n\u003cp data-end=\"1568\" data-start=\"1388\"\u003eIdeal for high school biology, advanced anatomy studies, and structured science curriculum, this model provides a durable, reusable teaching resource for long-term educational use.\u003c\/p\u003e\n\u003cp data-end=\"1749\" data-start=\"1570\"\u003e\u003cem\u003eShipping rates listed apply to US residents within the 48 contiguous states. For Alaska or Hawaii orders, please contact \u003ca rel=\"noopener\" class=\"decorated-link cursor-pointer\" data-end=\"1720\" data-start=\"1691\"\u003einfo@cornerstone-edsupply.com \u003c\/a\u003eto determine shipping rates.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"1823\" data-start=\"1751\"\u003eFor expanded instruction, add our \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"6-Part Anatomy Lessons for High School Students\" href=\"https:\/\/cornerstone-edsupply.com\/products\/anatomy-lessons?_pos=3\u0026amp;_sid=bd7e6ae6e\u0026amp;_ss=r\" target=\"_blank\"\u003e6-part anatomy lesson series\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e covering:\u003c\/p\u003e\n\u003cul data-end=\"2021\" data-start=\"1825\"\u003e\n\u003cli data-end=\"1843\" data-start=\"1825\"\u003e\n\u003cp data-end=\"1843\" data-start=\"1827\"\u003eNervous system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1870\" data-start=\"1844\"\u003e\n\u003cp data-end=\"1870\" data-start=\"1846\"\u003eSkin, bones, \u0026amp; muscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1891\" data-start=\"1871\"\u003e\n\u003cp data-end=\"1891\" data-start=\"1873\"\u003eDigestive system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1930\" data-start=\"1892\"\u003e\n\u003cp data-end=\"1930\" data-start=\"1894\"\u003eCardiovascular \u0026amp; excretory systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1953\" data-start=\"1931\"\u003e\n\u003cp data-end=\"1953\" data-start=\"1933\"\u003eRespiratory system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2021\" data-start=\"1954\"\u003e\n\u003cp data-end=\"2021\" data-start=\"1956\"\u003eSpecial senses (smell, taste, hearing, vision, and equilibrium)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFull-size model walk-through videos (Parts 1 and 2)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003ePricing has changed since the video was recorded.\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/oweJuZhIj0g\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/3rByPcZbIRE\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003ch2\u003e\u003cspan style=\"color: #085294;\"\u003eFull-size Model Reassembly Video\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/ihMZRhuE1Fs\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659775287496,"sku":"A00557","price":285.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_a5c416ef-fa92-4432-8f54-60ac0c0ce4d8.jpg?v=1661968088"},{"product_id":"236_grasshopper-dissection-bundle","title":"Grasshopper Dissection Bundle","description":"\u003cp data-start=\"0\" data-end=\"79\"\u003eGrasshopper Dissection Bundle for Biology Labs | Complete Insect Dissection Kit\u003c\/p\u003e\n\u003cp data-start=\"81\" data-end=\"515\"\u003eOur Grasshopper Dissection Bundle is a convenient, all-in-one solution for a \u003cstrong data-start=\"158\" data-end=\"194\"\u003eone-afternoon science dissection\u003c\/strong\u003e in the classroom or at home. Designed to reduce preparation time, this bundle includes all essential materials needed to complete a full insect dissection without purchasing items separately. It is designed for introducing students to \u003cstrong data-start=\"433\" data-end=\"451\"\u003einsect anatomy\u003c\/strong\u003e and basic laboratory skills in an organized, manageable format.\u003c\/p\u003e\n\u003cp data-start=\"517\" data-end=\"712\"\u003e\u003cstrong\u003eEach Grasshopper Dissection Bundle includes:\u003c\/strong\u003e\u003cbr data-start=\"561\" data-end=\"564\"\u003e• Grasshopper specimen\u003cbr data-start=\"586\" data-end=\"589\"\u003e• Dissection scissors\u003cbr data-start=\"610\" data-end=\"613\"\u003e• 1 bamboo probe\u003cbr data-start=\"629\" data-end=\"632\"\u003e• 10 T-pins\u003cbr data-start=\"643\" data-end=\"646\"\u003e• 1 foam dissection tray\u003cbr data-start=\"670\" data-end=\"673\"\u003e• 8-page grasshopper dissection guide\u003c\/p\u003e\n\u003cp data-start=\"714\" data-end=\"1124\"\u003eThis bundle supports instruction in arthropod anatomy, body segmentation, and organ systems. Grasshoppers are commonly dissected in high school biology programs such as Apologia, Bob Jones, and Masterbooks, and are also used in many middle school curricula, including Classical Conversations. With everything included in one package, students can complete the dissection efficiently within a single lab session.\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1367\"\u003e\u003cem\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1546\" data-end=\"1627\"\u003eDiscounts available for purchases of 10 or more Grasshopper Dissection Bundles.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655820812488,"sku":"","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_72f467c4-d14c-4252-b4ac-f1c2062d4b05.jpg?v=1655301850"},{"product_id":"237_grasshopper","title":"Grasshopper Specimen","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-17\" data-testid=\"conversation-turn-36\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"461460e6-dc76-4a4b-9357-eafa31f8f131\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"78\"\u003ePlain Lubber Grasshopper Dissection Specimen for Biology Labs | Insect Anatomy\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"667\"\u003eThis preserved lubber grasshopper dissection specimen is an excellent choice for introducing students to \u003cstrong data-start=\"185\" data-end=\"203\"\u003einsect anatomy\u003c\/strong\u003e and basic arthropod body organization. Commonly used in \u003cstrong data-start=\"260\" data-end=\"306\"\u003emiddle school and high school biology labs\u003c\/strong\u003e, grasshoppers are ideal model organisms because their external and internal structures are large, distinct, and easy to identify during dissection. Each specimen measures approximately 2–3 inches in length and is preserved to maintain clear visibility of anatomical features, making it well-suited for \u003cstrong data-start=\"609\" data-end=\"642\"\u003ehands-on classroom dissection\u003c\/strong\u003e and student observation.\u003c\/p\u003e\n\u003cp data-start=\"669\" data-end=\"729\"\u003eLubber Grasshopper Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"730\" data-end=\"969\"\u003e\n\u003cli data-start=\"730\" data-end=\"738\"\u003e\n\u003cp data-start=\"732\" data-end=\"738\"\u003eHead\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"739\" data-end=\"749\"\u003e\n\u003cp data-start=\"741\" data-end=\"749\"\u003eThorax\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"761\"\u003e\n\u003cp data-start=\"752\" data-end=\"761\"\u003eAbdomen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"774\"\u003e\n\u003cp data-start=\"764\" data-end=\"774\"\u003eAntennae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"775\" data-end=\"792\"\u003e\n\u003cp data-start=\"777\" data-end=\"792\"\u003eCompound eyes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"793\" data-end=\"807\"\u003e\n\u003cp data-start=\"795\" data-end=\"807\"\u003eMouthparts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"808\" data-end=\"821\"\u003e\n\u003cp data-start=\"810\" data-end=\"821\"\u003eForewings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"822\" data-end=\"836\"\u003e\n\u003cp data-start=\"824\" data-end=\"836\"\u003eHind wings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"853\"\u003e\n\u003cp data-start=\"839\" data-end=\"853\"\u003eWalking legs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"854\" data-end=\"870\"\u003e\n\u003cp data-start=\"856\" data-end=\"870\"\u003eJumping legs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"871\" data-end=\"884\"\u003e\n\u003cp data-start=\"873\" data-end=\"884\"\u003eSpiracles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"885\" data-end=\"903\"\u003e\n\u003cp data-start=\"887\" data-end=\"903\"\u003eTracheal tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"904\" data-end=\"923\"\u003e\n\u003cp data-start=\"906\" data-end=\"923\"\u003eDigestive tract\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"924\" data-end=\"946\"\u003e\n\u003cp data-start=\"926\" data-end=\"946\"\u003eMalpighian tubules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"969\"\u003e\n\u003cp data-start=\"949\" data-end=\"969\"\u003eVentral nerve cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"971\" data-end=\"1337\"\u003eThis preserved grasshopper specimen for dissection supports instruction in \u003cstrong data-start=\"1046\" data-end=\"1092\"\u003einvertebrate biology and arthropod anatomy\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Its size and sturdy body structure allow students to clearly observe how insect body segments and organ systems are organized and connected.\u003c\/p\u003e\n\u003cp data-start=\"1339\" data-end=\"1556\"\u003e\u003cstrong data-start=\"1339\" data-end=\"1356\"\u003eDid You Know?\u003c\/strong\u003e Lubber grasshoppers communicate by making sounds when they move their wings or legs against their bodies, a behavior called stridulation. \u003c\/p\u003e\n\u003cp data-start=\"1558\" data-end=\"1849\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cp\u003e*Discounts available for purchases of 10 or more grasshopper specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655845126344,"sku":"A00327","price":1.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_54052fa2-7eed-4df7-858a-5d713ffb26d5.jpg?v=1655302140"},{"product_id":"238_grasshopper-dissection-guide","title":"Grasshopper Dissection Guide","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-43\" data-testid=\"conversation-turn-88\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2d35ea72-7d08-4831-80ac-2c769cbcedb7\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"415\"\u003eDiscover the external and internal anatomy of the grasshopper with Cornerstone’s Grasshopper Dissection Guide, a clear and student-friendly resource designed to support successful insect dissection activities in both classroom and homeschool settings. This guide helps students move confidently through each step of the dissection process while reinforcing key concepts related to insect structure and organization.\u003c\/p\u003e\n\u003cp data-start=\"417\" data-end=\"779\"\u003eThe Grasshopper Dissection Guide includes \u003cstrong data-start=\"459\" data-end=\"481\"\u003e8 full-color pages\u003c\/strong\u003e featuring detailed illustrations, grasshopper classification information, dissection tips, and commonly used directional terms. Organized for easy reference during lab work, it allows students to focus on careful observation and understanding of anatomical features without unnecessary complexity.\u003c\/p\u003e\n\u003cp data-start=\"959\" data-end=\"1039\"\u003e\u003cem data-start=\"959\" data-end=\"1039\"\u003eDiscounts available for purchases of 10 or more Grasshopper Dissection Guides.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655843487944,"sku":"A00325","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_29d92b29-9fbc-452a-a7f1-85bcedd55ed9.jpg?v=1655301985"},{"product_id":"249_iodine","title":"Iodine","description":"\u003cp data-end=\"343\" data-start=\"237\"\u003e\u003cstrong data-end=\"343\" data-start=\"237\"\u003e30 mL bottle of Iodine Potassium Iodide solution.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"901\" data-start=\"345\"\u003ePerform classic qualitative analysis with our iodine potassium iodide solution, commonly known as Lugol’s solution or IKI solution. This reagent is widely used for detecting the presence of starches, making it essential for biology, chemistry, and food science experiments. When added to starch-containing materials, the solution produces a distinct blue-black color, allowing for fast and visually clear identification. The 30 mL bottle provides a convenient volume for repeated laboratory tests, classroom demonstrations, and controlled experimental use.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical formula      \u003c\/td\u003e\n\u003ctd\u003eI₂ + KI (aqueous solution)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula weight\u003c\/td\u003e\n\u003ctd\u003eMixture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e7553-56-2 (iodine) \/ 7681-11-0 (potassium iodide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristics\u003c\/td\u003e\n\u003ctd\u003eDark brown solution; characteristic iodine odor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical state\u003c\/td\u003e\n\u003ctd\u003eLiquid solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage code\u003c\/td\u003e\n\u003ctd\u003eYellow — toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"1835\" data-start=\"1363\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"207\" data-start=\"190\"\u003e\u003cstrong data-end=\"207\" data-start=\"190\"\u003eDid You Know?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"728\" data-start=\"209\"\u003eThe starch test using iodine-potassium iodide is so reliable that it has been used for over a century in both classrooms and real-world applications. During World War II, iodine-based tests were used to quickly identify starch presence in foods and paper products. The dramatic color change happens because iodine molecules slip inside the spiral structure of starch, creating a charge-transfer complex that absorbs light differently.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075538170056,"sku":"A00034","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_ae6e87a1-c2c3-4e71-9499-2aafdedd755e.jpg?v=1661970420"},{"product_id":"128_human-anatomy-model-small","title":"Small Human Anatomy Model","description":"\u003cp data-end=\"111\" data-start=\"42\"\u003e\u003cstrong data-end=\"111\" data-start=\"42\"\u003eSmall Human Anatomy Model – 18-Inch Torso with 18 Removable Parts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"441\" data-start=\"113\"\u003eThe Small Human Anatomy Model is an 18-inch tall teaching torso designed for clear, accessible anatomy instruction in homeschool programs, co-ops, and classroom science labs. Mounted securely on a stand, this lifelike and accurate model features 18 removable pieces that display the internal organization of the human torso.\u003c\/p\u003e\n\u003cp data-end=\"704\" data-start=\"443\"\u003eNon-gendered in design, this model is appropriate for classes of all ages and provides a foundational overview of major organ systems. Its manageable size makes it ideal for tabletop demonstrations, small group instruction, and interactive walk-through lessons.\u003c\/p\u003e\n\u003cp data-end=\"731\" data-start=\"706\"\u003e\u003cstrong\u003eIncluded Removable Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"986\" data-start=\"733\"\u003e\n\u003cli data-end=\"757\" data-start=\"733\"\u003e\n\u003cp data-end=\"757\" data-start=\"735\"\u003eHead with half brain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"787\" data-start=\"758\"\u003e\n\u003cp data-end=\"787\" data-start=\"760\"\u003eVertebrae with nerve cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"828\" data-start=\"788\"\u003e\n\u003cp data-end=\"828\" data-start=\"790\"\u003eTrachea, esophagus, descending aorta\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"865\" data-start=\"829\"\u003e\n\u003cp data-end=\"865\" data-start=\"831\"\u003eHeart (2 parts showing chambers)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"920\" data-start=\"866\"\u003e\n\u003cp data-end=\"920\" data-start=\"868\"\u003eLeft and right lungs (2 parts each) with diaphragm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"947\" data-start=\"921\"\u003e\n\u003cp data-end=\"947\" data-start=\"923\"\u003eLiver, stomach, kidney\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"962\" data-start=\"948\"\u003e\n\u003cp data-end=\"962\" data-start=\"950\"\u003eIntestines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"986\" data-start=\"963\"\u003e\n\u003cp data-end=\"986\" data-start=\"965\"\u003ePancreas and spleen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1299\" data-start=\"988\"\u003eThis detailed 18-inch torso model supports structured instruction in organ systems, anatomical relationships, and internal body structure. The removable components allow students to visualize organ placement, examine system connections, and conduct guided demonstrations during biology and life science lessons.\u003c\/p\u003e\n\u003cp data-end=\"1453\" data-start=\"1301\"\u003eIdeal for upper elementary through high school anatomy curriculum, this smaller model offers a durable, reusable resource for long-term educational use.\u003c\/p\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f225e05c-0efb-45c3-9e35-a89749c3b8af-20\" data-testid=\"conversation-turn-42\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"738ef000-9687-434b-b60e-d3f7a1184f3e\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"1570\" data-end=\"1749\"\u003e\u003cem\u003eShipping rates listed apply to US residents within the 48 contiguous states. For Alaska or Hawaii orders, please contact\u003cspan\u003e \u003c\/span\u003e\u003ca data-start=\"1691\" data-end=\"1720\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@cornerstone-edsupply.com\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eto determine shipping rates.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1751\" data-end=\"1823\"\u003e\u003cstrong\u003eFor expanded instruction, add our \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/anatomy-lessons?_pos=3\u0026amp;_sid=bd7e6ae6e\u0026amp;_ss=r\" title=\"6-Part Anatomy Lessons for High School Students\" rel=\"noopener\" target=\"_blank\"\u003e6-part anatomy lesson series\u003c\/a\u003e covering:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1825\" data-end=\"2021\"\u003e\n\u003cli data-start=\"1825\" data-end=\"1843\"\u003e\n\u003cp data-start=\"1827\" data-end=\"1843\"\u003eNervous system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1844\" data-end=\"1870\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1870\"\u003eSkin, bones, \u0026amp; muscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1871\" data-end=\"1891\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1891\"\u003eDigestive system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1892\" data-end=\"1930\"\u003e\n\u003cp data-start=\"1894\" data-end=\"1930\"\u003eCardiovascular \u0026amp; excretory systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1931\" data-end=\"1953\"\u003e\n\u003cp data-start=\"1933\" data-end=\"1953\"\u003eRespiratory system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1954\" data-end=\"2021\"\u003e\n\u003cp data-start=\"1956\" data-end=\"2021\"\u003eSpecial senses (smell, taste, hearing, vision, and equilibrium)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eFull-size model walk-through videos (Parts 1 and 2)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003ePricing has changed since the video was recorded\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cbr\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/i09NzB4BzE4\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e18-inch Model Reassembly Video\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/VRKC-Pc7EB4\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659774075080,"sku":"A00558","price":114.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_42b4c05f-b882-4e9c-a229-de01e2be17b8.jpg?v=1661967702"},{"product_id":"131_advanced-student-microscope","title":"Advanced Student Microscope","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"98\"\u003e40x–400x Compound Biological Microscope for Junior \u0026amp; Senior High\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"100\" data-end=\"497\"\u003eThe Advanced Student Microscope is a 40x–400x compound biological microscope designed to deliver clarity, durability, and precision for serious middle school and high school laboratory science. Ideal for homeschool biology labs, co-ops, and private school classrooms, this microscope provides the optical performance needed for detailed specimen study and hands-on life science investigations.\u003c\/p\u003e\n\u003cp data-start=\"499\" data-end=\"888\"\u003eBuilt with all-metal body construction, this unit is engineered for long-term educational use. The monocular head features a 45º ergonomic incline, 10x wide-field ocular lens, and 350º rotation for comfortable and flexible viewing. A triple-revolving nosepiece includes achromatic \u003cstrong\u003e4x, 10x, and 40x objective lenses\u003c\/strong\u003e for sharp, high-contrast magnification across standard biology ranges.\u003c\/p\u003e\n\u003cp data-start=\"890\" data-end=\"911\"\u003e\u003cstrong\u003eKey features include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"913\" data-end=\"1340\"\u003e\n\u003cli data-start=\"913\" data-end=\"977\"\u003e\n\u003cp data-start=\"915\" data-end=\"977\"\u003e40x–400x total magnification for cell and tissue observation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1055\"\u003e\n\u003cp data-start=\"980\" data-end=\"1055\"\u003eDual-layer mechanical stage with slide clip for precise specimen movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1056\" data-end=\"1126\"\u003e\n\u003cp data-start=\"1058\" data-end=\"1126\"\u003eAbbe condenser (0.65 N.A.) for improved contrast and light control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1127\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1199\"\u003eLong-lasting LED transmitted illumination with adjustable brightness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1256\"\u003eCoaxial coarse and fine focus knobs with safety stop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1257\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1340\"\u003eDual power options: plug-in adapter (included) or 3 AA batteries (not included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1342\" data-end=\"1546\"\u003eThis advanced compound microscope supports detailed study of plant cells, animal tissues, microorganisms, and prepared biology slides, making it a dependable addition to any structured science curriculum.\u003cstrong data-start=\"0\" data-end=\"98\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1609\" data-end=\"1811\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAdd a Set of \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/133_cornerstone-biology-25-slide-set?_pos=1\u0026amp;_sid=2c7084b1c\u0026amp;_ss=r\" title=\"Biology Microscope Slide Set\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePrepared Biology Slides\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e or \u003cstrong\u003e\u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/221_blank-slides-and-coverslips?_pos=2\u0026amp;_sid=2c7084b1c\u0026amp;_ss=r\" title=\"Blank Slides and Coverslips\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlank Slides and Coverslips\u003c\/span\u003e\u003c\/a\u003e \u003c\/strong\u003eto start exploring immediately! Pair with quality slides to begin hands-on microscope labs and specimen investigations.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659766407368,"sku":"A00065","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6e8727ea-f15a-4e8d-87eb-c61ef258ef55.jpg?v=1656010064"},{"product_id":"133_cornerstone-biology-25-slide-set","title":"Master's Class Prepared Biology Slides","description":"\u003cp data-end=\"208\" data-start=\"146\"\u003e\u003cstrong data-end=\"208\" data-start=\"146\"\u003eOriginal Microscope Slide Set – 25 Prepared Biology Slides\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"613\" data-start=\"210\"\u003eThe \u003cstrong data-end=\"259\" data-start=\"214\"\u003eCornerstone Original Microscope Slide Set\u003c\/strong\u003e is an excellent resource for \u003cstrong data-end=\"364\" data-start=\"289\"\u003ebudding microbiologists, homeschool students, and life science learners\u003c\/strong\u003e. This carefully curated collection includes \u003cstrong data-end=\"442\" data-start=\"409\"\u003e25 prepared microscope slides\u003c\/strong\u003e representing a wide range of plant, animal, and microorganism specimens, making it ideal for biology courses, microscope practice, and independent scientific exploration.\u003c\/p\u003e\n\u003cp data-end=\"997\" data-start=\"615\"\u003ePerfect for \u003cstrong data-end=\"668\" data-start=\"627\"\u003emiddle school and high school biology\u003c\/strong\u003e, this slide set allows students to observe real biological structures firsthand while developing essential microscopy and observation skills. The variety of specimens supports studies in \u003cstrong data-end=\"934\" data-start=\"856\"\u003ecell structure, reproduction, plant and animal tissues, and microorganisms\u003c\/strong\u003e, making it a versatile addition to any homeschool science lab.\u003c\/p\u003e\n\u003cp data-end=\"1023\" data-start=\"999\"\u003ePrepared slides include:\u003c\/p\u003e\n\u003cul data-end=\"1492\" data-start=\"1024\"\u003e\n\u003cli data-end=\"1042\" data-start=\"1024\"\u003e\n\u003cp data-end=\"1042\" data-start=\"1026\"\u003eOnion root tip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1053\" data-start=\"1043\"\u003e\n\u003cp data-end=\"1053\" data-start=\"1045\"\u003eAmoeba\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1077\" data-start=\"1054\"\u003e\n\u003cp data-end=\"1077\" data-start=\"1056\"\u003eAscaris (roundworm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1107\" data-start=\"1078\"\u003e\n\u003cp data-end=\"1107\" data-start=\"1080\"\u003eBacteria (multiple types)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1119\" data-start=\"1108\"\u003e\n\u003cp data-end=\"1119\" data-start=\"1110\"\u003eDiatoms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1147\" data-start=\"1120\"\u003e\n\u003cp data-end=\"1147\" data-start=\"1122\"\u003eEarthworm cross-section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1159\" data-start=\"1148\"\u003e\n\u003cp data-end=\"1159\" data-start=\"1150\"\u003eEuglena\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1180\" data-start=\"1160\"\u003e\n\u003cp data-end=\"1180\" data-start=\"1162\"\u003eFern life stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1209\" data-start=\"1181\"\u003e\n\u003cp data-end=\"1209\" data-start=\"1183\"\u003eFicus leaf cross-section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1230\" data-start=\"1210\"\u003e\n\u003cp data-end=\"1230\" data-start=\"1212\"\u003eFrog blood smear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1245\" data-start=\"1231\"\u003e\n\u003cp data-end=\"1245\" data-start=\"1233\"\u003eFrog ovary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1260\" data-start=\"1246\"\u003e\n\u003cp data-end=\"1260\" data-start=\"1248\"\u003eFrog sperm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1282\" data-start=\"1261\"\u003e\n\u003cp data-end=\"1282\" data-start=\"1263\"\u003eHuman blood smear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1307\" data-start=\"1283\"\u003e\n\u003cp data-end=\"1307\" data-start=\"1285\"\u003eHuman skin with hair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1317\" data-start=\"1308\"\u003e\n\u003cp data-end=\"1317\" data-start=\"1310\"\u003eHydra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1338\" data-start=\"1318\"\u003e\n\u003cp data-end=\"1338\" data-start=\"1320\"\u003eMoss life stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1355\" data-start=\"1339\"\u003e\n\u003cp data-end=\"1355\" data-start=\"1341\"\u003eMuscle types\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1366\" data-start=\"1356\"\u003e\n\u003cp data-end=\"1366\" data-start=\"1358\"\u003eNeuron\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1393\" data-start=\"1367\"\u003e\n\u003cp data-end=\"1393\" data-start=\"1369\"\u003eParamecium conjugation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1416\" data-start=\"1394\"\u003e\n\u003cp data-end=\"1416\" data-start=\"1396\"\u003eParamecium fission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1429\" data-start=\"1417\"\u003e\n\u003cp data-end=\"1429\" data-start=\"1419\"\u003ePlanaria\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1448\" data-start=\"1430\"\u003e\n\u003cp data-end=\"1448\" data-start=\"1432\"\u003eButtercup root\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1449\"\u003e\n\u003cp data-end=\"1467\" data-start=\"1451\"\u003eButtercup stem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1481\" data-start=\"1468\"\u003e\n\u003cp data-end=\"1481\" data-start=\"1470\"\u003eSpirogyra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1492\" data-start=\"1482\"\u003e\n\u003cp data-end=\"1492\" data-start=\"1484\"\u003eVolvox\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1709\" data-start=\"1494\"\u003eThis prepared microscope slide set is a valuable tool for homeschool families seeking \u003cstrong data-end=\"1614\" data-start=\"1580\"\u003ehigh-quality biology materials\u003c\/strong\u003e that encourage curiosity, careful observation, and a deeper understanding of the living world. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075535712456,"sku":"A00040","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_3473811f-b75b-4f6d-ac30-e10a85287d02.jpg?v=1655308378"},{"product_id":"140_crayfish-specimen-only","title":"Crayfish Specimen","description":"\u003cp\u003ePlain Crayfish Dissection Specimen for Biology Labs | Arthropod Anatomy\u003c\/p\u003e\n\u003cp\u003eWe have two size options, which you can select from the drop-down menu to the right:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-4 inch \u003c\/li\u003e\n\u003cli\u003e4-6 inch \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"73\" data-end=\"708\"\u003eThis preserved crayfish dissection specimen is an excellent choice for activities requiring the dissection of an arthropod and is widely used in middle school and high school biology labs to teach \u003cstrong data-start=\"274\" data-end=\"310\"\u003earthropod and crustacean anatomy\u003c\/strong\u003e. Crayfish are ideal model organisms because their segmented body plan and well-defined organ systems allow students to clearly observe how invertebrates are structured and how their systems function together. Each specimen is prepared to maintain clear visibility of anatomical features, making it well suited for \u003cstrong data-start=\"625\" data-end=\"658\"\u003ehands-on classroom dissection\u003c\/strong\u003e focused on observation, labeling, and comparison.\u003c\/p\u003e\n\u003cp data-start=\"710\" data-end=\"760\"\u003eCrayfish Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"761\" data-end=\"1006\"\u003e\n\u003cli data-start=\"761\" data-end=\"778\"\u003e\n\u003cp data-start=\"763\" data-end=\"778\"\u003eCephalothorax\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"779\" data-end=\"790\"\u003e\n\u003cp data-start=\"781\" data-end=\"790\"\u003eAbdomen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"791\" data-end=\"803\"\u003e\n\u003cp data-start=\"793\" data-end=\"803\"\u003eAntennae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"804\" data-end=\"818\"\u003e\n\u003cp data-start=\"806\" data-end=\"818\"\u003eAntennules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"819\" data-end=\"833\"\u003e\n\u003cp data-start=\"821\" data-end=\"833\"\u003eMouthparts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"851\"\u003e\n\u003cp data-start=\"836\" data-end=\"851\"\u003eCompound eyes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"865\"\u003e\n\u003cp data-start=\"854\" data-end=\"865\"\u003eChelipeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"866\" data-end=\"882\"\u003e\n\u003cp data-start=\"868\" data-end=\"882\"\u003eWalking legs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"883\" data-end=\"897\"\u003e\n\u003cp data-start=\"885\" data-end=\"897\"\u003eSwimmerets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"913\"\u003e\n\u003cp data-start=\"900\" data-end=\"913\"\u003eExoskeleton\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"914\" data-end=\"925\"\u003e\n\u003cp data-start=\"916\" data-end=\"925\"\u003eStomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"940\"\u003e\n\u003cp data-start=\"928\" data-end=\"940\"\u003eIntestines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"941\" data-end=\"961\"\u003e\n\u003cp data-start=\"943\" data-end=\"961\"\u003eDigestive glands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"962\" data-end=\"971\"\u003e\n\u003cp data-start=\"964\" data-end=\"971\"\u003eGills\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"972\" data-end=\"983\"\u003e\n\u003cp data-start=\"974\" data-end=\"983\"\u003eMuscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"984\" data-end=\"1006\"\u003e\n\u003cp data-start=\"986\" data-end=\"1006\"\u003eVentral nerve cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1008\" data-end=\"1516\"\u003eThis preserved crayfish specimen for dissection supports instruction in \u003cstrong data-start=\"1080\" data-end=\"1128\"\u003einvertebrate biology and comparative anatomy\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Specimens are individually vacuum sealed for convenience and cleanliness. They are initially preserved in formaldehyde to fix tissues, then thoroughly rinsed with water and packed in a \u003cstrong data-start=\"1418\" data-end=\"1458\"\u003elow-odor, non-toxic holding solution\u003c\/strong\u003e to ensure safe handling and long-lasting educational use.\u003c\/p\u003e\n\u003cp data-start=\"1518\" data-end=\"1756\"\u003e\u003cstrong data-start=\"1518\" data-end=\"1535\"\u003eDid You Know?\u003c\/strong\u003e Crayfish must molt their hard exoskeleton in order to grow. After molting, their new shell is soft, leaving them temporarily vulnerable until it hardens—an important concept when studying arthropod growth and survival.\u003cspan style=\"color: #0000ff;\" color=\"#0000FF\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1518\" data-end=\"1756\"\u003e\u003cem\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85\u003cmeta charset=\"utf-8\"\u003e°F). Specimens will last 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1518\" data-end=\"1756\"\u003eDiscounts available for purchases of 10 or more crayfish specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"3-4 inches","offer_id":44394278191304,"sku":"","price":2.95,"currency_code":"USD","in_stock":true},{"title":"4-6 inches","offer_id":44394278224072,"sku":"A00023","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/cray1.jpg?v=1654280393"},{"product_id":"144_plastic-forceps-packs-of-10-or-50","title":"Plastic Forceps","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-51\" data-testid=\"conversation-turn-104\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"faa1afcf-a593-4c46-96db-a934235dbb44\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"80\"\u003ePlastic Dissection Forceps for Biology Labs | Precision Student Forceps (4 Inch)\u003c\/p\u003e\n\u003cp data-start=\"82\" data-end=\"501\"\u003eThese sturdy plastic dissection forceps are a simple, reliable tool for \u003cstrong data-start=\"154\" data-end=\"191\"\u003eone-afternoon science dissections\u003c\/strong\u003e in classroom and homeschool settings. Measuring \u003cstrong data-start=\"240\" data-end=\"257\"\u003e4 inches long\u003c\/strong\u003e, they feature a thin, tapered tip for precise handling of small structures and \u003cstrong data-start=\"337\" data-end=\"352\"\u003eguide teeth\u003c\/strong\u003e that help keep the tips aligned during use. Lightweight and easy to control, these forceps are ideal for students developing basic lab skills.\u003c\/p\u003e\n\u003cp data-start=\"503\" data-end=\"772\"\u003ePlastic forceps are ideal for use with specimens such as earthworms, grasshoppers, owl pellets, and other small dissection materials. Their durable design makes them a practical option for repeated classroom activities while remaining approachable for younger students.\u003c\/p\u003e\n\u003cp data-start=\"774\" data-end=\"937\"\u003eClassical Conversations students can use this item for \u003cstrong data-start=\"829\" data-end=\"870\"\u003eCycle 1 experiments in Weeks 9 and 10\u003c\/strong\u003e, making it a convenient addition to planned curriculum activities.\u003c\/p\u003e\n\u003cp data-start=\"939\" data-end=\"1111\"\u003e\u003cstrong data-start=\"939\" data-end=\"956\"\u003eDid You Know?\u003c\/strong\u003e Forceps are designed to extend a student’s fingers, allowing more accurate observation and manipulation of specimens without damaging delicate structures.\u003c\/p\u003e\n\u003cp data-start=\"1113\" data-end=\"1196\"\u003e\u003cem data-start=\"1113\" data-end=\"1196\"\u003eDiscounts available for purchases of 10 or more dissection forceps.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655957946568,"sku":"","price":0.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_7f601f7b-3a70-4d25-bf91-50533d0e3c4f.jpg?v=1661953207"},{"product_id":"145_wooden-probes-packs-of-10-or-50","title":"Wooden Probe","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-54\" data-testid=\"conversation-turn-110\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"25ecfa6d-130a-41fe-81e7-6a8602ba2e6b\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"71\"\u003eDissection Probe for Biology Labs | Double-Ended Student Probe (6 Inch)\u003c\/p\u003e\n\u003cp data-start=\"73\" data-end=\"507\"\u003eThese \u003cstrong data-start=\"79\" data-end=\"107\"\u003e6-inch dissection probes\u003c\/strong\u003e are a versatile, must-have tool for \u003cstrong data-start=\"144\" data-end=\"181\"\u003eone-afternoon science dissections\u003c\/strong\u003e in classroom and homeschool labs. Featuring both a pointed pick end and a flat spatula end, each probe allows students to separate tissues, lift structures, trace organs, and identify anatomical features with control and precision. The dual-ended design makes this single tool useful throughout the entire dissection process.\u003c\/p\u003e\n\u003cp data-start=\"509\" data-end=\"820\"\u003eDissection probes are essential for working with a wide range of specimens, including frogs, earthworms, grasshoppers, perch, crayfish, and more. Their length provides comfortable reach while still allowing careful manipulation of delicate structures, helping students build confidence and proper lab technique.\u003c\/p\u003e\n\u003cp data-start=\"822\" data-end=\"981\"\u003e\u003cstrong data-start=\"822\" data-end=\"839\"\u003eDid You Know?\u003c\/strong\u003e Probes are often used to explore anatomy without cutting, encouraging students to locate and identify structures before making any incisions.\u003c\/p\u003e\n\u003cp data-start=\"983\" data-end=\"1101\"\u003e\u003cem data-start=\"983\" data-end=\"1101\"\u003eDiscounts available for purchases of 10 or more dissection probes, with increased discounts on orders of 50 or more.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41659759722696,"sku":"A00118","price":0.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_024678c5-6d79-4cb4-af25-0a1948a467d7.jpg?v=1661953310"},{"product_id":"146_foam-dissection-trays-packs-of-10-or-50","title":"Foam Dissection Trays","description":"\u003cp data-end=\"69\" data-start=\"0\"\u003eFoam Dissection Tray for Biology Labs | Small Specimen Dissection Pan\u003c\/p\u003e\n\u003cp data-end=\"502\" data-start=\"71\"\u003eOur sturdy foam dissection trays are a simple, reliable surface for \u003cstrong data-end=\"176\" data-start=\"139\"\u003eone-afternoon science dissections\u003c\/strong\u003e involving smaller specimens. Measuring approximately \u003cstrong data-end=\"241\" data-start=\"230\"\u003e8\" x 6\"\u003c\/strong\u003e, these lightweight trays are easy to set up, pin into, and clean up afterward, making them ideal for classroom labs and homeschool science activities. The foam material securely holds specimens in place during observation and dissection without damaging tools.\u003c\/p\u003e\n\u003cp data-end=\"786\" data-start=\"504\"\u003eThese foam dissection trays are well suited for use with small specimens such as crayfish, earthworms, owl pellets, and similar introductory dissection materials. They are a practical choice for teachers and parents looking for an uncomplicated setup that supports focused learning.\u003c\/p\u003e\n\u003cp data-end=\"907\" data-start=\"788\"\u003eClassical Conversations Directors: This tray is recommended for \u003cstrong data-end=\"885\" data-start=\"852\"\u003eCycle 1 dissection activities\u003c\/strong\u003e during weeks 7 and 8.\u003c\/p\u003e\n\u003cp data-end=\"1092\" data-start=\"909\"\u003e\u003cstrong data-end=\"926\" data-start=\"909\"\u003eDid You Know?\u003c\/strong\u003e Foam dissection trays are designed to grip T-pins firmly, allowing students to position specimens accurately and safely while practicing proper dissection technique.\u003c\/p\u003e\n\u003cp data-end=\"1092\" data-start=\"909\"\u003eDiscounts available for purchases of 10 or more foam dissection trays. \u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655772119240,"sku":"A00019","price":0.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_44e9e63a-b989-4358-ad16-2c4435a47706.jpg?v=1661953610"},{"product_id":"147_dissection-gloves-box-of-100","title":"Vinyl Gloves - Box of 100","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-53\" data-testid=\"conversation-turn-108\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"1e5b334a-8a87-4e17-a042-440a93c8e4d4\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"84\"\u003eDisposable Vinyl Gloves for Biology Labs | Latex-Free Dissection Gloves (Box of 100)\u003c\/p\u003e\n\u003cp data-start=\"86\" data-end=\"533\"\u003eThis box of \u003cstrong data-start=\"98\" data-end=\"139\"\u003elatex-free, non-powdered vinyl gloves\u003c\/strong\u003e is a practical choice for one-afternoon science dissections and other short laboratory activities. Designed to provide basic protection while maintaining flexibility, these gloves are easy to put on and remove, making them well suited for classroom and homeschool settings where quick transitions matter. They help keep hands clean during specimen handling without adding unnecessary bulk.\u003c\/p\u003e\n\u003cp data-start=\"535\" data-end=\"794\"\u003eGloves received may vary in brand or style from those pictured, but all gloves will be latex-free vinyl, making them a \u003cstrong\u003esafe option for students\u003c\/strong\u003e with latex sensitivities. Sizes can be selected from the menu to ensure a comfortable fit for a range of users.\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"958\"\u003e\u003cstrong data-start=\"796\" data-end=\"813\"\u003eDid You Know?\u003c\/strong\u003e Wearing gloves during dissection not only protects hands but also helps prevent cross-contamination between specimens, tools, and work surfaces.\u003c\/p\u003e\n\u003cp data-start=\"960\" data-end=\"1026\"\u003e\u003cem data-start=\"960\" data-end=\"1026\"\u003eDiscounts available for purchases of 10 or more boxes of gloves.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Small","offer_id":44183690248392,"sku":"","price":8.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":44183690281160,"sku":"","price":8.0,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":44183690313928,"sku":"","price":8.0,"currency_code":"USD","in_stock":true},{"title":"Extra Large","offer_id":44183690346696,"sku":"","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6116eae4-7afa-4d23-95cf-c80c496b95f4.jpg?v=1661953102"},{"product_id":"205_perch-dissection-guide","title":"Perch Dissection Guide","description":"\u003cp data-start=\"0\" data-end=\"435\"\u003eDiscover the external and internal anatomy of the perch with Cornerstone’s Perch Dissection Guide, a clear and reusable reference designed to support successful fish dissection labs in both classroom and homeschool settings. This \u003cstrong data-start=\"230\" data-end=\"259\"\u003efull-color 8-page booklet\u003c\/strong\u003e is helpful for any student dissecting a perch, providing step-by-step support that reinforces key anatomy concepts while keeping the lab experience organized and approachable.\u003c\/p\u003e\n\u003cp data-start=\"437\" data-end=\"867\"\u003eThe Perch Dissection Guide includes detailed illustrations, fish classification information, dissection tips, and commonly used directional terms. Its straightforward layout makes it easy to follow during lab work, allowing students to focus on observation and understanding of anatomical structures rather than searching for instructions. The durable format makes the guide suitable for repeated use across multiple lab sessions.\u003c\/p\u003e\n\u003cp data-start=\"869\" data-end=\"1108\"\u003e\u003cstrong data-start=\"869\" data-end=\"886\"\u003eDid You Know?\u003c\/strong\u003e A perch’s heart pumps blood in a single continuous loop, sending it first to the gills to pick up oxygen and then to the rest of the body, helping students clearly see how circulation works in fish.\u003c\/p\u003e\n\u003cp data-start=\"1110\" data-end=\"1184\"\u003e\u003cem data-start=\"1110\" data-end=\"1184\"\u003eDiscounts available for purchases of 10 or more Perch Dissection Guides. \u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655935336648,"sku":"A00562","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_9210fb25-8105-4e3e-8990-5530adbb4574.jpg?v=1655314608"},{"product_id":"232_grass-frog-dissection-bundle","title":"Grass Frog Dissection Bundle","description":"\u003cp data-end=\"76\" data-start=\"0\"\u003eGrass Frog Dissection Bundle for Biology Labs | Complete Frog Dissection Kit\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"554\" data-start=\"78\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eDue to a national shortage in the frog supply, these are currently unavailable.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"554\" data-start=\"78\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"554\" data-start=\"78\"\u003eOur Grass Frog Dissection Bundle is a simple, ready-to-use option for a \u003cstrong data-end=\"186\" data-start=\"150\"\u003eone-afternoon science dissection\u003c\/strong\u003e in the classroom or at home. Designed to minimize prep time, this bundle brings together all essential materials in one purchase so teachers and families can focus on learning rather than gathering supplies. The included \u003cstrong data-end=\"438\" data-start=\"408\"\u003edouble-injected grass frog\u003c\/strong\u003e highlights both organs and major blood vessels, making it an effective specimen for anatomy and physiology studies.\u003c\/p\u003e\n\u003cp data-end=\"750\" data-start=\"556\"\u003e\u003cstrong\u003eEach Grass Frog Dissection Bundle includes:\u003c\/strong\u003e\u003cbr data-end=\"602\" data-start=\"599\"\u003e• Double-injected grass frog\u003cbr data-end=\"633\" data-start=\"630\"\u003e• Dissection scissors\u003cbr data-end=\"657\" data-start=\"654\"\u003e• 1 bamboo probe\u003cbr data-end=\"676\" data-start=\"673\"\u003e• 10 T-pins\u003cbr data-end=\"690\" data-start=\"687\"\u003e• 1 foam dissection tray\u003cbr data-end=\"717\" data-start=\"714\"\u003e• 12-page frog dissection guide\u003c\/p\u003e\n\u003cp data-end=\"1146\" data-start=\"752\"\u003eThis bundle supports instruction in \u003cstrong data-end=\"810\" data-start=\"788\"\u003evertebrate anatomy\u003c\/strong\u003e, organ systems, and basic lab skills. Frogs are commonly dissected in high school biology programs such as Apologia, Bob Jones, and MasterBooks, as well as in many middle school curricula, including Classical Conversations. With all components included, students can complete a full frog dissection smoothly within a single lab session.\u003c\/p\u003e\n\u003cp data-end=\"1389\" data-start=\"1148\"\u003e\u003cem\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"1626\" data-start=\"1546\"\u003eDiscounts available for purchases of 10 or more Grass Frog Dissection Bundles.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655806591176,"sku":"","price":15.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_2d6539c9-0b31-48c4-94e5-b4a717598f1f.jpg?v=1655301075"},{"product_id":"233_crayfish-dissection-bundle","title":"Crayfish Dissection Bundle","description":"\u003cp data-start=\"0\" data-end=\"79\"\u003eCrayfish Dissection Bundle for Biology Labs | Complete Arthropod Dissection Kit\u003c\/p\u003e\n\u003cp data-start=\"81\" data-end=\"578\"\u003eOur Crayfish Dissection Bundle is a convenient, all-in-one option for a \u003cstrong data-start=\"153\" data-end=\"189\"\u003eone-afternoon science dissection\u003c\/strong\u003e done in the classroom or at home. Designed to simplify preparation, this bundle includes everything needed to complete a successful crayfish dissection without sourcing tools or guides separately. The \u003cstrong data-start=\"391\" data-end=\"419\"\u003eplain preserved crayfish\u003c\/strong\u003e offers clear visibility of external features and internal organs, making it an excellent specimen for studying arthropod anatomy across multiple grade levels.\u003c\/p\u003e\n\u003cp data-start=\"580\" data-end=\"769\"\u003eEach Crayfish Dissection Bundle includes:\u003cbr data-start=\"621\" data-end=\"624\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"580\" data-end=\"769\"\u003e• Plain preserved crayfish (4–6 inches)\u003cbr data-start=\"664\" data-end=\"667\"\u003e• Dissection scissors\u003cbr data-start=\"688\" data-end=\"691\"\u003e• Bamboo probe\u003cbr data-start=\"705\" data-end=\"708\"\u003e• Plastic forceps\u003cbr data-start=\"725\" data-end=\"728\"\u003e• Dissection gloves\u003cbr data-start=\"747\" data-end=\"750\"\u003e• Foam dissection tray\u003cbr data-start=\"772\" data-end=\"775\"\u003e• 12-page crayfish dissection guide\u003c\/p\u003e\n\u003cp data-start=\"771\" data-end=\"1129\"\u003eCrayfish anatomy is studied in a wide range of grades, from elementary through high school. This bundle aligns well with curricula such as Apologia, Bob Jones, Classical Conversations, and many others. With all materials included, students can focus on observation and learning rather than setup, completing the activity smoothly within a single lab session.\u003c\/p\u003e\n\u003cp data-start=\"1131\" data-end=\"1372\"\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/p\u003e\n\u003cp data-start=\"1374\" data-end=\"1521\"\u003e\u003cstrong data-start=\"1374\" data-end=\"1391\"\u003eDid You Know?\u003c\/strong\u003e Crayfish can regrow lost claws and legs over time, giving students a fascinating example of how some animals recover from injury.\u003c\/p\u003e\n\u003cp data-start=\"1523\" data-end=\"1601\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1523\" data-end=\"1601\" data-is-last-node=\"\"\u003eDiscounts available for purchases of 10 or more Crayfish Dissection Bundles.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655729455304,"sku":"","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_69dfb2f7-49e2-4dd2-8a22-bcbb3963ba4e.jpg?v=1654280029"},{"product_id":"234_perch-dissection-bundle","title":"Perch Dissection Bundle","description":"\u003cp data-start=\"0\" data-end=\"71\"\u003ePerch Dissection Bundle for Biology Labs | Complete Fish Dissection Kit\u003c\/p\u003e\n\u003cp data-start=\"73\" data-end=\"532\"\u003eOur Perch Dissection Bundle is a convenient, all-in-one option for a \u003cstrong data-start=\"142\" data-end=\"178\"\u003eone-afternoon science dissection\u003c\/strong\u003e in the classroom or at home. Designed to simplify preparation, this bundle includes everything needed to complete a full fish dissection without purchasing additional materials. The \u003cstrong data-start=\"361\" data-end=\"397\"\u003eplain preserved freshwater perch\u003c\/strong\u003e provides clear visibility of both external features and internal organs, making it well suited for anatomy and physiology instruction.\u003c\/p\u003e\n\u003cp data-start=\"534\" data-end=\"734\"\u003eEach Perch Dissection Bundle includes:\u003cbr data-start=\"572\" data-end=\"575\"\u003e• Plain preserved freshwater perch (5–9 inches)\u003cbr data-start=\"622\" data-end=\"625\"\u003e• Disposable dissection scalpel\u003cbr data-start=\"656\" data-end=\"659\"\u003e• Bamboo probe\u003cbr data-start=\"673\" data-end=\"676\"\u003e• Foam dissection tray\u003cbr data-start=\"698\" data-end=\"701\"\u003e• 8-page perch dissection guide\u003c\/p\u003e\n\u003cp data-start=\"736\" data-end=\"1123\"\u003eThis bundle supports instruction in \u003cstrong data-start=\"772\" data-end=\"788\"\u003efish anatomy\u003c\/strong\u003e, organ systems, and basic lab skills. Perch are commonly dissected in high school biology programs such as Apologia, Bob Jones, and MasterBooks, and are also used in many middle school curricula including Classical Conversations. With all components included, students can complete the dissection smoothly within a single lab session.\u003c\/p\u003e\n\u003cp data-start=\"736\" data-end=\"1123\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1385\"\u003eDid You Know?\u003c\/strong\u003e Fish gills not only help with breathing but also play a role in balancing salts and water in the body, helping fish survive in freshwater or saltwater environments.\u003c\/p\u003e\n\u003cp data-start=\"1125\" data-end=\"1366\"\u003e\u003cem\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1539\" data-end=\"1614\"\u003eDiscounts available for purchases of 10 or more Perch Dissection Bundles.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655929274568,"sku":"","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_bfa6f093-a30b-402a-91f9-1b4cfbb36880.jpg?v=1655314013"},{"product_id":"193_masters-class-biology","title":"Master's Class Biology Kit","description":"\u003cp data-start=\"239\" data-end=\"301\"\u003e\u003cstrong data-start=\"239\" data-end=\"301\"\u003eHigh School Biology Supply Kit for Master Books Curriculum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"303\" data-end=\"696\"\u003eThis comprehensive biology supply kit provides the \u003cstrong data-start=\"354\" data-end=\"392\"\u003enon-household laboratory materials\u003c\/strong\u003e required to complete the experiments in \u003cstrong data-start=\"433\" data-end=\"472\"\u003eMaster Books’ \u003cem data-start=\"449\" data-end=\"470\"\u003eHigh School Biology\u003c\/em\u003e\u003c\/strong\u003e by \u003cstrong data-start=\"476\" data-end=\"497\"\u003eDr. Dennis Englin\u003c\/strong\u003e. Designed with homeschool families in mind, this kit simplifies lab preparation and ensures students have access to the proper tools, specimens, and materials needed for a successful biology course.\u003c\/p\u003e\n\u003cp data-start=\"698\" data-end=\"805\"\u003eTo meet different learning needs and microscope access, this product is available in three kit options:\u003c\/p\u003e\n\u003cul data-start=\"807\" data-end=\"1261\"\u003e\n\u003cli data-start=\"807\" data-end=\"945\"\u003e\n\u003cp data-start=\"809\" data-end=\"945\"\u003e\u003cstrong data-start=\"809\" data-end=\"840\"\u003eKit without prepared slides\u003c\/strong\u003e – Choose this option only if you are using Master Books’ Biology Lab Book instead of microscope slides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"946\" data-end=\"1085\"\u003e\n\u003cp data-start=\"948\" data-end=\"1085\"\u003e\u003cstrong data-start=\"948\" data-end=\"976\"\u003eKit with prepared slides\u003c\/strong\u003e – The standard option for students who have access to a microscope and want to complete all lab activities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1261\"\u003e\n\u003cp data-start=\"1088\" data-end=\"1261\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1148\"\u003eKit with prepared slides and Advanced Student Microscope\u003c\/strong\u003e – Ideal for families without microscope access; includes a microscope and saves $35 when purchased as a bundle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1588\" data-end=\"1600\"\u003eContents\u003c\/h3\u003e\n\u003cp data-start=\"1602\" data-end=\"1614\"\u003e\u003cstrong data-start=\"1602\" data-end=\"1614\"\u003eLabware:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1615\" data-end=\"1978\"\u003e\n\u003cli data-start=\"1615\" data-end=\"1647\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1647\"\u003eThree 100 mL plastic beakers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1648\" data-end=\"1684\"\u003e\n\u003cp data-start=\"1650\" data-end=\"1684\"\u003e50 mL plastic graduated cylinder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1685\" data-end=\"1700\"\u003e\n\u003cp data-start=\"1687\" data-end=\"1700\"\u003eEye dropper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1701\" data-end=\"1722\"\u003e\n\u003cp data-start=\"1703\" data-end=\"1722\"\u003eFiltration funnel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1723\" data-end=\"1739\"\u003e\n\u003cp data-start=\"1725\" data-end=\"1739\"\u003eFilter paper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1740\" data-end=\"1762\"\u003e\n\u003cp data-start=\"1742\" data-end=\"1762\"\u003eGlass stirring rod\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1763\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1765\" data-end=\"1779\"\u003eMetric ruler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1780\" data-end=\"1802\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1802\"\u003epH indicator paper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1803\" data-end=\"1827\"\u003e\n\u003cp data-start=\"1805\" data-end=\"1827\"\u003ePTC taste test paper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1828\" data-end=\"1849\"\u003e\n\u003cp data-start=\"1830\" data-end=\"1849\"\u003eFour #00 stoppers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1850\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1852\" data-end=\"1887\"\u003eThree test tubes (13 mm x 100 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1888\" data-end=\"1924\"\u003e\n\u003cp data-start=\"1890\" data-end=\"1924\"\u003eFive test tubes (16 mm x 150 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1925\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1927\" data-end=\"1944\"\u003eTest tube brush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1945\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1947\" data-end=\"1963\"\u003eTest tube rack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1964\" data-end=\"1978\"\u003e\n\u003cp data-start=\"1966\" data-end=\"1978\"\u003eWax pencil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1980\" data-end=\"1994\"\u003e\u003cstrong data-start=\"1980\" data-end=\"1994\"\u003eChemicals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1995\" data-end=\"2156\"\u003e\n\u003cli data-start=\"1995\" data-end=\"2020\"\u003e\n\u003cp data-start=\"1997\" data-end=\"2020\"\u003eEthanol, 95% solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2021\" data-end=\"2049\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2049\"\u003eGlucose (dextrose), 30 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2050\" data-end=\"2103\"\u003e\n\u003cp data-start=\"2052\" data-end=\"2103\"\u003eIodine (Lugol’s) biological stain solution, 30 mL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2104\" data-end=\"2128\"\u003e\n\u003cp data-start=\"2106\" data-end=\"2128\"\u003eMethylene blue stain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2129\" data-end=\"2156\"\u003e\n\u003cp data-start=\"2131\" data-end=\"2156\"\u003ePhenol red pH indicator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2158\" data-end=\"2204\"\u003e\u003cstrong data-start=\"2158\" data-end=\"2204\"\u003eDissection Supplies and Microscope Slides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2205\" data-end=\"2567\"\u003e\n\u003cli data-start=\"2205\" data-end=\"2238\"\u003e\n\u003cp data-start=\"2207\" data-end=\"2238\"\u003eThree pairs of nitrile gloves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2239\" data-end=\"2273\"\u003e\n\u003cp data-start=\"2241\" data-end=\"2273\"\u003eTwo styrofoam dissection trays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2274\" data-end=\"2298\"\u003e\n\u003cp data-start=\"2276\" data-end=\"2298\"\u003eDissection tools kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2299\" data-end=\"2321\"\u003e\n\u003cp data-start=\"2301\" data-end=\"2321\"\u003eEarthworm specimen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2322\" data-end=\"2352\"\u003e\n\u003cp data-start=\"2324\" data-end=\"2352\"\u003eEarthworm dissection guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2353\" data-end=\"2388\"\u003e\n\u003cp data-start=\"2355\" data-end=\"2388\"\u003eFrog specimen (double-injected)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2389\" data-end=\"2414\"\u003e\n\u003cp data-start=\"2391\" data-end=\"2414\"\u003eFrog dissection guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2415\" data-end=\"2439\"\u003e\n\u003cp data-start=\"2417\" data-end=\"2439\"\u003eGrasshopper specimen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2440\" data-end=\"2472\"\u003e\n\u003cp data-start=\"2442\" data-end=\"2472\"\u003eGrasshopper dissection guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2473\" data-end=\"2503\"\u003e\n\u003cp data-start=\"2475\" data-end=\"2503\"\u003e12 blank microscope slides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2504\" data-end=\"2533\"\u003e\n\u003cp data-start=\"2506\" data-end=\"2533\"\u003e100 microscope coverslips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2534\" data-end=\"2567\"\u003e\n\u003cp data-start=\"2536\" data-end=\"2567\"\u003e25 prepared microscope slides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2569\" data-end=\"2614\"\u003e\u003cstrong data-start=\"2569\" data-end=\"2614\"\u003ePrepared Microscope Slide Specimens (25):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2615\" data-end=\"3071\"\u003e\n\u003cli data-start=\"2615\" data-end=\"2633\"\u003e\n\u003cp data-start=\"2617\" data-end=\"2633\"\u003eOnion root tip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2634\" data-end=\"2644\"\u003e\n\u003cp data-start=\"2636\" data-end=\"2644\"\u003eAmoeba\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2645\" data-end=\"2656\"\u003e\n\u003cp data-start=\"2647\" data-end=\"2656\"\u003eAscaris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2657\" data-end=\"2686\"\u003e\n\u003cp data-start=\"2659\" data-end=\"2686\"\u003eBacteria (multiple types)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2687\" data-end=\"2698\"\u003e\n\u003cp data-start=\"2689\" data-end=\"2698\"\u003eDiatoms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2699\" data-end=\"2726\"\u003e\n\u003cp data-start=\"2701\" data-end=\"2726\"\u003eEarthworm cross-section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2727\" data-end=\"2738\"\u003e\n\u003cp data-start=\"2729\" data-end=\"2738\"\u003eEuglena\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2739\" data-end=\"2759\"\u003e\n\u003cp data-start=\"2741\" data-end=\"2759\"\u003eFern life stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2760\" data-end=\"2788\"\u003e\n\u003cp data-start=\"2762\" data-end=\"2788\"\u003eFicus leaf cross-section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2789\" data-end=\"2809\"\u003e\n\u003cp data-start=\"2791\" data-end=\"2809\"\u003eFrog blood smear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2810\" data-end=\"2824\"\u003e\n\u003cp data-start=\"2812\" data-end=\"2824\"\u003eFrog ovary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2825\" data-end=\"2839\"\u003e\n\u003cp data-start=\"2827\" data-end=\"2839\"\u003eFrog sperm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2840\" data-end=\"2861\"\u003e\n\u003cp data-start=\"2842\" data-end=\"2861\"\u003eHuman blood smear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2862\" data-end=\"2886\"\u003e\n\u003cp data-start=\"2864\" data-end=\"2886\"\u003eHuman skin with hair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2887\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2889\" data-end=\"2896\"\u003eHydra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2897\" data-end=\"2917\"\u003e\n\u003cp data-start=\"2899\" data-end=\"2917\"\u003eMoss life stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2918\" data-end=\"2934\"\u003e\n\u003cp data-start=\"2920\" data-end=\"2934\"\u003eMuscle types\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2935\" data-end=\"2945\"\u003e\n\u003cp data-start=\"2937\" data-end=\"2945\"\u003eNeuron\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2946\" data-end=\"2972\"\u003e\n\u003cp data-start=\"2948\" data-end=\"2972\"\u003eParamecium conjugation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2973\" data-end=\"2995\"\u003e\n\u003cp data-start=\"2975\" data-end=\"2995\"\u003eParamecium fission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2996\" data-end=\"3008\"\u003e\n\u003cp data-start=\"2998\" data-end=\"3008\"\u003ePlanaria\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3009\" data-end=\"3027\"\u003e\n\u003cp data-start=\"3011\" data-end=\"3027\"\u003eButtercup root\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3028\" data-end=\"3046\"\u003e\n\u003cp data-start=\"3030\" data-end=\"3046\"\u003eButtercup stem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3047\" data-end=\"3060\"\u003e\n\u003cp data-start=\"3049\" data-end=\"3060\"\u003eSpirogyra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3061\" data-end=\"3071\"\u003e\n\u003cp data-start=\"3063\" data-end=\"3071\"\u003eVolvox\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3073\" data-end=\"3294\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis biology supply kit is an excellent choice for homeschool parents seeking a complete, curriculum-aligned lab solution that supports hands-on learning, accurate observation, and a strong foundation in life science.\u003c\/p\u003e\n\u003cp data-start=\"3073\" data-end=\"3294\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1281\"\u003eShipping Note:\u003c\/strong\u003e\u003cbr data-start=\"1281\" data-end=\"1284\"\u003eDue to chemical shipping restrictions, these kits require ground transportation and \u003cstrong data-start=\"1372\" data-end=\"1451\"\u003ecannot be shipped to Alaska, Hawaii, or locations outside the United States\u003c\/strong\u003e. If you would like to purchase a version of this kit without chemicals, please email\u003cstrong\u003e \u003c\/strong\u003e\u003ca data-start=\"1539\" data-end=\"1568\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@cornerstone-edsupply.com\u003c\/a\u003e\u003cstrong data-start=\"1537\" data-end=\"1570\"\u003e\u003ca data-start=\"1539\" data-end=\"1568\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003e \u003c\/a\u003e\u003c\/strong\u003efor assistance.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Base Kit","offer_id":41677830717640,"sku":"A00328","price":109.95,"currency_code":"USD","in_stock":true},{"title":"With slide sets","offer_id":41677830750408,"sku":"A00334","price":164.95,"currency_code":"USD","in_stock":true},{"title":"With slide sets and Microscope","offer_id":41677830783176,"sku":"A00335","price":389.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_8da72dae-9805-4353-97bd-f6afcdf5e4ea.jpg?v=1655303356"},{"product_id":"194_dissection-tool-kit","title":"Dissection Tool Kit","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-64\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-31\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"787c30ae-a936-4c97-bf80-a0b953d6de27\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"581\" data-start=\"0\"\u003eDissection Tool Kit for Biology Labs | All-Metal Student Dissection Set\u003c\/p\u003e\n\u003cp data-end=\"581\" data-start=\"0\"\u003eA quality beginner’s dissection tool kit designed to make classroom and homeschool dissections simple and stress-free. This all-metal kit includes everything needed for a \u003cstrong data-end=\"207\" data-start=\"171\"\u003eone-afternoon science dissection\u003c\/strong\u003e, eliminating the need to source tools separately. Ideal for junior and senior high biology labs, the tools are made from \u003cstrong data-end=\"357\" data-start=\"329\"\u003esurgical stainless steel\u003c\/strong\u003e for durability, precision, and repeated classroom use. Each kit comes neatly organized in a \u003cstrong data-end=\"476\" data-start=\"450\"\u003epremium zippered pouch\u003c\/strong\u003e, making setup, cleanup, and storage quick and effortless. Simply open the kit and you’re ready to begin.\u003c\/p\u003e\n\u003cp data-end=\"831\" data-start=\"583\"\u003e\u003cstrong\u003eEach dissection tool kit includes:\u003c\/strong\u003e\u003cbr data-end=\"620\" data-start=\"617\"\u003e• Iris dissection scissors\u003cbr data-end=\"649\" data-start=\"646\"\u003e• Blunt dissection scissors\u003cbr data-end=\"679\" data-start=\"676\"\u003e• Scalpel handle\u003cbr data-end=\"698\" data-start=\"695\"\u003e• 3 #10 scalpel blades\u003cbr data-end=\"723\" data-start=\"720\"\u003e• Straight probe\u003cbr data-end=\"742\" data-start=\"739\"\u003e• Dissecting splinter forceps\u003cbr data-end=\"774\" data-start=\"771\"\u003e• 6 large T-pins\u003cbr data-end=\"793\" data-start=\"790\"\u003e• Felt-lined zippered carrying pouch\u003c\/p\u003e\n\u003cp data-end=\"1127\" data-start=\"833\"\u003eThis dissection tool kit is a reliable choice for middle school and high school anatomy labs, life science courses, and homeschool dissections where convenience and readiness matter. Wash tools with soap and water after use and dry thoroughly to maintain performance for years of classroom use.\u003c\/p\u003e\n\u003cp data-end=\"1355\" data-start=\"1129\"\u003e\u003cstrong data-end=\"1146\" data-start=\"1129\"\u003eDid You Know?\u003c\/strong\u003e Many professional biologists and veterinarians begin learning proper tool handling with the same basic instruments found in student dissection kits, building foundational skills used throughout their careers.\u003c\/p\u003e\n\u003cp data-end=\"1355\" data-start=\"1129\"\u003eDiscounts available for purchases of 10 or more dissection tool kits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655736860872,"sku":"A00025","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_eeb53977-c335-4e31-ac88-8c6091018d47.jpg?v=1654280712"},{"product_id":"195_grass-frog-3-4-double-injected","title":"Grass Frog \/ Leopard Frog Specimen","description":"\u003cp data-end=\"101\" data-start=\"0\"\u003eDouble-Injected Grass or Leopard Frog Dissection Specimen for Biology Labs | Vertebrate Anatomy\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"101\" data-start=\"0\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eDue to a national shortage in the frog supply, these are currently unavailable.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"849\" data-start=\"103\"\u003eThis double-injected grass or leopard frog dissection specimen is an excellent choice for activities requiring the dissection of a vertebrate animal and is widely used in \u003cstrong data-end=\"320\" data-start=\"274\"\u003emiddle school and high school biology labs\u003c\/strong\u003e to study \u003cstrong data-end=\"352\" data-start=\"330\"\u003evertebrate anatomy\u003c\/strong\u003e and organ system organization. Frogs are ideal model organisms because their body systems are clearly defined and easy to compare to other vertebrates. Each specimen has a body length of approximately 3–4 inches (legs not included) and is specially prepared with red latex injected into the arteries and blue latex injected into the veins to clearly display the \u003cstrong data-end=\"737\" data-start=\"715\"\u003ecirculatory system\u003c\/strong\u003e, allowing students to observe organs and blood vessels simultaneously during \u003cstrong data-end=\"848\" data-start=\"815\"\u003ehands-on classroom dissection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"913\" data-start=\"851\"\u003eDouble-Injected Frog Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-end=\"1143\" data-start=\"914\"\u003e\n\u003cli data-end=\"922\" data-start=\"914\"\u003e\n\u003cp data-end=\"922\" data-start=\"916\"\u003eSkin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"931\" data-start=\"923\"\u003e\n\u003cp data-end=\"931\" data-start=\"925\"\u003eEyes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"953\" data-start=\"932\"\u003e\n\u003cp data-end=\"953\" data-start=\"934\"\u003eTympanic membrane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"966\" data-start=\"954\"\u003e\n\u003cp data-end=\"966\" data-start=\"956\"\u003eNostrils\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"980\" data-start=\"967\"\u003e\n\u003cp data-end=\"980\" data-start=\"969\"\u003eForelimbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"995\" data-start=\"981\"\u003e\n\u003cp data-end=\"995\" data-start=\"983\"\u003eHind limbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1006\" data-start=\"996\"\u003e\n\u003cp data-end=\"1006\" data-start=\"998\"\u003eCloaca\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1016\" data-start=\"1007\"\u003e\n\u003cp data-end=\"1016\" data-start=\"1009\"\u003eHeart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1026\" data-start=\"1017\"\u003e\n\u003cp data-end=\"1026\" data-start=\"1019\"\u003eLungs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1036\" data-start=\"1027\"\u003e\n\u003cp data-end=\"1036\" data-start=\"1029\"\u003eLiver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1048\" data-start=\"1037\"\u003e\n\u003cp data-end=\"1048\" data-start=\"1039\"\u003eStomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1063\" data-start=\"1049\"\u003e\n\u003cp data-end=\"1063\" data-start=\"1051\"\u003eIntestines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1075\" data-start=\"1064\"\u003e\n\u003cp data-end=\"1075\" data-start=\"1066\"\u003eKidneys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1095\" data-start=\"1076\"\u003e\n\u003cp data-end=\"1095\" data-start=\"1078\"\u003eUrinary bladder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1120\" data-start=\"1096\"\u003e\n\u003cp data-end=\"1120\" data-start=\"1098\"\u003eArteries (red latex)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1143\" data-start=\"1121\"\u003e\n\u003cp data-end=\"1143\" data-start=\"1123\"\u003eVeins (blue latex)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1517\" data-start=\"1145\"\u003eThis preserved frog specimen for dissection supports instruction in \u003cstrong data-end=\"1251\" data-start=\"1213\"\u003ecomparative anatomy and physiology\u003c\/strong\u003e, making it a valuable specimen for anatomy labs, life science courses, and homeschool science programs. The double injection enhances visibility of the vascular system, helping students trace blood flow and better understand how circulation supports organ function.\u003c\/p\u003e\n\u003cp data-end=\"1715\" data-start=\"1519\"\u003e\u003cstrong data-end=\"1536\" data-start=\"1519\"\u003eDid You Know?\u003c\/strong\u003e Frogs do not chew their food. Instead, they use their eyes to help push food down their throat—when a frog closes its eyes while swallowing, the eyes press inward to assist the process.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDiscounts available for purchases of 10 or more double-injected frog specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655809179848,"sku":"A00326","price":9.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_ece7b3de-1958-4f6a-93fb-a3f8149598e6.jpg?v=1655301413"},{"product_id":"196_perch-plain-5-7","title":"Perch Specimen, Fish","description":"\u003cp data-start=\"0\" data-end=\"63\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePlain Perch Dissection Specimen for Biology Labs | Fish Anatomy\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"65\" data-end=\"616\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eThis preserved perch dissection specimen makes \u003cstrong data-start=\"112\" data-end=\"137\"\u003ebasic fish dissection\u003c\/strong\u003e fun and easy for students learning about aquatic vertebrates. Commonly used in \u003cstrong data-start=\"217\" data-end=\"263\"\u003emiddle school and high school biology labs\u003c\/strong\u003e, perch are ideal for studying fish anatomy because their external features and internal organs are clearly defined and easy to identify. Each specimen measures approximately 7–9 inches in length and is preserved to maintain clear visibility of structures, making it well-suited for \u003cstrong data-start=\"546\" data-end=\"579\"\u003ehands-on classroom dissection\u003c\/strong\u003e and introductory anatomy activities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"618\" data-end=\"665\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePerch Anatomy Structures (External \u0026amp; Internal):\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"666\" data-end=\"878\"\u003e\n\u003cli data-start=\"666\" data-end=\"674\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"668\" data-end=\"674\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eEyes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"675\" data-end=\"684\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"677\" data-end=\"684\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eMouth\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"685\" data-end=\"694\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"687\" data-end=\"694\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eGills\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"695\" data-end=\"708\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"697\" data-end=\"708\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eOperculum\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"709\" data-end=\"725\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"711\" data-end=\"725\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eLateral line\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"726\" data-end=\"740\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"728\" data-end=\"740\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eDorsal fin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"741\" data-end=\"755\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"743\" data-end=\"755\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eCaudal fin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"768\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"758\" data-end=\"768\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAnal fin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"769\" data-end=\"784\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"771\" data-end=\"784\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePelvic fins\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"785\" data-end=\"802\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"787\" data-end=\"802\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePectoral fins\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"803\" data-end=\"814\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"805\" data-end=\"814\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eStomach\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"815\" data-end=\"829\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"817\" data-end=\"829\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIntestines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"830\" data-end=\"839\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"832\" data-end=\"839\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eLiver\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"840\" data-end=\"849\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"842\" data-end=\"849\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eHeart\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"850\" data-end=\"866\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"852\" data-end=\"866\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSwim bladder\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"867\" data-end=\"878\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"869\" data-end=\"878\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eKidneys\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"880\" data-end=\"1208\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eThis preserved perch specimen for dissection supports instruction in \u003cstrong data-start=\"949\" data-end=\"991\"\u003evertebrate biology and aquatic anatomy\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Perch specimens are available individually, with quantity discounts applied when ordering ten or more specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1392\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong data-start=\"1210\" data-end=\"1227\"\u003eDid You Know?\u003c\/strong\u003e Perch use their lateral line system to sense vibrations and movement in the water, helping them detect nearby objects and other animals even when visibility is low.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cem\u003e\u003cspan color=\"#000000\"\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85 degrees F). Specimens will last 6 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan color=\"#000000\"\u003eDiscounts available for purchases of 10 or more perch specimens!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\" color=\"#000000\"\u003eNOTE: Tray and dissecting tools sold separately. See our \u003ca href=\"https:\/\/cornerstone-edsupply.com\/collections\/biology\" style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBiology Page\u003c\/span\u003e\u003c\/a\u003e for tools and other items.\u003c\/span\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43871881003208,"sku":"A00024","price":4.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_8463fca6-6579-4bbf-b4c8-805d25d74b28.jpg?v=1655314389"},{"product_id":"197_earthworm-plain-9-12","title":"Earthworm Specimen","description":"\u003cp data-end=\"70\" data-start=\"0\"\u003ePlain Earthworm Dissection Specimen for Biology Labs | Annelid Anatomy\u003c\/p\u003e\n\u003cp data-end=\"697\" data-start=\"72\"\u003eThis preserved earthworm dissection specimen allows students to discover \u003cstrong data-end=\"164\" data-start=\"145\"\u003eannelid anatomy\u003c\/strong\u003e and is an excellent choice for activities requiring the dissection of segmented worms, including earthworms and leeches. Commonly used in \u003cstrong data-end=\"349\" data-start=\"303\"\u003emiddle school and high school biology labs\u003c\/strong\u003e, earthworms are ideal model organisms because their body organization clearly demonstrates how multiple organ systems function together in invertebrates. Each specimen is prepared to maintain clear visibility of anatomical features, making it well suited for \u003cstrong data-end=\"642\" data-start=\"609\"\u003ehands-on classroom dissection\u003c\/strong\u003e focused on observation, documentation, and comparison.\u003c\/p\u003e\n\u003cp data-end=\"750\" data-start=\"699\"\u003eEarthworm Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-end=\"966\" data-start=\"751\"\u003e\n\u003cli data-end=\"767\" data-start=\"751\"\u003e\n\u003cp data-end=\"767\" data-start=\"753\"\u003eSegmentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"777\" data-start=\"768\"\u003e\n\u003cp data-end=\"777\" data-start=\"770\"\u003eSetae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"791\" data-start=\"778\"\u003e\n\u003cp data-end=\"791\" data-start=\"780\"\u003eClitellum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"806\" data-start=\"792\"\u003e\n\u003cp data-end=\"806\" data-start=\"794\"\u003eProstomium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"816\" data-start=\"807\"\u003e\n\u003cp data-end=\"816\" data-start=\"809\"\u003eMouth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"828\" data-start=\"817\"\u003e\n\u003cp data-end=\"828\" data-start=\"819\"\u003ePharynx\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"842\" data-start=\"829\"\u003e\n\u003cp data-end=\"842\" data-start=\"831\"\u003eEsophagus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"851\" data-start=\"843\"\u003e\n\u003cp data-end=\"851\" data-start=\"845\"\u003eCrop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"863\" data-start=\"852\"\u003e\n\u003cp data-end=\"863\" data-start=\"854\"\u003eGizzard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"877\" data-start=\"864\"\u003e\n\u003cp data-end=\"877\" data-start=\"866\"\u003eIntestine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"901\" data-start=\"878\"\u003e\n\u003cp data-end=\"901\" data-start=\"880\"\u003eDorsal blood vessel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"924\" data-start=\"902\"\u003e\n\u003cp data-end=\"924\" data-start=\"904\"\u003eVentral nerve cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"942\" data-start=\"925\"\u003e\n\u003cp data-end=\"942\" data-start=\"927\"\u003eAortic arches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"966\" data-start=\"943\"\u003e\n\u003cp data-end=\"966\" data-start=\"945\"\u003eReproductive organs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1466\" data-start=\"968\"\u003eThis preserved earthworm specimen for dissection supports instruction in \u003cstrong data-end=\"1089\" data-start=\"1041\"\u003einvertebrate biology and comparative anatomy\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Specimens are individually vacuum sealed for cleanliness and convenience. They are initially preserved in formaldehyde to fix tissues, then rinsed with water and packed in a \u003cstrong data-end=\"1408\" data-start=\"1368\"\u003elow-odor, non-toxic holding solution\u003c\/strong\u003e to ensure safe handling and long-lasting educational use.\u003c\/p\u003e\n\u003cp data-end=\"1680\" data-start=\"1468\"\u003e\u003cstrong data-end=\"1485\" data-start=\"1468\"\u003eDid You Know?\u003c\/strong\u003e Earthworms do not have lungs. Instead, they breathe through their skin, which must stay moist so oxygen can pass directly into their bloodstream—one reason earthworms are most active after rain.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDiscounts available for purchases of 10 or more earthworm specimens!\u003c\/p\u003e\n\u003cp\u003eNOTE: \u003c\/p\u003e\n\u003cp\u003e**This item includes earthworm specimens only. Tray and dissecting tools sold separately. For tools and other items, see our \u003cspan style=\"color: #37b5ff;\"\u003e\u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/235_earthworm-dissection-bundle?_pos=2\u0026amp;_sid=5f7f0be7a\u0026amp;_ss=r\" style=\"color: #37b5ff;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eEarth Worm Specimen Dissection Bundle\u003c\/span\u003e\u003c\/a\u003e. \u003c\/span\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655756161224,"sku":"A00055","price":1.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_edd6a5ac-463f-4835-8787-6ab190cfad6d.jpg?v=1654607540"},{"product_id":"199_t-pins-1-5","title":"T-Pins (2\") bag of 10","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-52\" data-testid=\"conversation-turn-106\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e81453af-b471-4f7f-9626-a1b1d53146b1\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"66\"\u003eNickel-Plated T-Pins for Biology Labs | Dissection Pins (2 Inch)\u003c\/p\u003e\n\u003cp data-start=\"68\" data-end=\"524\"\u003eThese nickel-plated T-pins are a reliable essential for \u003cstrong data-start=\"124\" data-end=\"161\"\u003eone-afternoon science dissections\u003c\/strong\u003e, helping students securely hold specimens in place during observation and dissection. Measuring \u003cstrong data-start=\"258\" data-end=\"282\"\u003e2 inches in length\u003c\/strong\u003e, they are the ideal size for use with foam and wax-filled dissection trays, allowing for stable positioning without excessive force. The T-shaped head makes pins easy to grip, insert, and remove, even for students who are new to dissection work.\u003c\/p\u003e\n\u003cp data-start=\"526\" data-end=\"795\"\u003eT-pins are commonly used with specimens such as frogs, earthworms, grasshoppers, crayfish, and owl pellets, making them a versatile supply for both classroom and homeschool biology labs. They are an important consumable item to keep on hand for repeated lab activities.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"908\"\u003eNOTE: Used T-pins will need to be replaced over time to maintain safe and effective pinning during dissections.\u003c\/p\u003e\n\u003cp data-start=\"910\" data-end=\"1075\"\u003e\u003cstrong data-start=\"910\" data-end=\"927\"\u003eDid You Know?\u003c\/strong\u003e T-pins help students learn proper specimen positioning, which improves visibility of structures and makes careful, accurate dissection much easier.\u003c\/p\u003e\n\u003cp data-start=\"1077\" data-end=\"1142\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"1.95","offer_id":45038635090120,"sku":null,"price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_21e2caca-f7a0-446a-9035-d4f4de2c5cc3.jpg?v=1661368104"},{"product_id":"202_frog-dissection-guide","title":"Frog Dissection Guide","description":"\u003cp data-start=\"0\" data-end=\"392\"\u003eDiscover the external and internal anatomy of the frog with Cornerstone’s Frog Dissection Guide, a clear and approachable reference designed to support successful frog dissection labs in both classroom and homeschool settings. This guide helps students follow the dissection process step by step while reinforcing key anatomy concepts commonly taught in middle school and high school biology.\u003c\/p\u003e\n\u003cp data-start=\"394\" data-end=\"745\"\u003eThe Frog Dissection Guide includes \u003cstrong data-start=\"429\" data-end=\"452\"\u003e12 full-color pages\u003c\/strong\u003e featuring detailed illustrations, frog classification information, dissection tips, and commonly used directional terms. Organized for easy use during lab activities, it allows students to focus on careful observation and understanding of anatomical structures without unnecessary complexity.\u003c\/p\u003e\n\u003cp data-start=\"939\" data-end=\"1012\"\u003e\u003cem data-start=\"939\" data-end=\"1012\"\u003eDiscounts available for purchases of 10 or more Frog Dissection Guides.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655780835528,"sku":"A00324","price":2.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_aa4a98f5-4d24-41b6-bd72-1a79878a15ec.jpg?v=1654616526"},{"product_id":"203_crayfish-dissection-guide","title":"Crayfish Dissection Guide","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69729e2c-cf08-8333-b06d-f93cc3e56182-27\" data-testid=\"conversation-turn-130\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"98671ab2-3b39-4307-9236-03fa93e889fc\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"384\"\u003eDiscover the external and internal anatomy of the crayfish with \u003cstrong data-start=\"64\" data-end=\"107\"\u003eCornerstone’s Crayfish Dissection Guide\u003c\/strong\u003e, a clear and student-friendly resource designed to support successful classroom and at-home dissections. This guide helps students move step-by-step through the dissection process while reinforcing key anatomy concepts commonly taught in middle school and high school biology.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"793\"\u003eThe Crayfish Dissection Guide includes \u003cstrong data-start=\"425\" data-end=\"448\"\u003e12 full-color pages\u003c\/strong\u003e featuring detailed illustrations, crayfish classification information, dissection tips, labeled anatomical structures, and commonly used directional terms. Easy-to-follow explanations make it a helpful reference during lab activities, allowing students to focus on careful observation and understanding rather than uncertainty about procedures.\u003c\/p\u003e\n\u003cp data-start=\"795\" data-end=\"984\"\u003ePlanning to complete a crayfish dissection? We offer \u003cstrong data-start=\"848\" data-end=\"904\"\u003ecrayfish specimens in singles, 9-packs, and 50-packs\u003c\/strong\u003e, making it easy to equip individual students, small groups, or full classrooms.\u003c\/p\u003e\n\u003cp data-start=\"986\" data-end=\"1055\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"986\" data-end=\"1055\" data-is-last-node=\"\"\u003eAvailable in singles, with a discount when you purchase 10 or more specimens.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655732732104,"sku":"A00560","price":2.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_4c4a0e04-7c5c-46fb-ad4a-fd19b34b5ca2.jpg?v=1654280166"},{"product_id":"204_earthworm-dissection-guide","title":"Earthworm Dissection Guide","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ae73edc5-9976-4a10-bb7f-01225f259e33\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"394\"\u003eDiscover the external and internal anatomy of the earthworm with Cornerstone’s Earthworm Dissection Guide, a clear and student-friendly resource designed to support successful classroom and at-home dissections. This guide helps students move confidently through each step of the dissection process while reinforcing key anatomy concepts commonly taught in middle school and high school biology.\u003c\/p\u003e\n\u003cp data-start=\"396\" data-end=\"746\"\u003eThe Earthworm Dissection Guide includes \u003cstrong data-start=\"436\" data-end=\"458\"\u003e8 full-color pages\u003c\/strong\u003e featuring detailed illustrations, earthworm classification information, dissection tips, and commonly used directional terms. Easy-to-follow explanations make it a helpful reference during lab activities, allowing students to focus on observation and understanding rather than guesswork.\u003cspan style=\"background-color: #ffffff;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan color=\"#000000\"\u003e\u003cspan style=\"background-color: #ffffff;\" color=\"#0000FF\"\u003eDiscounts available for purchases of 10 or more dissection trays.\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655753801928,"sku":"A00323","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/22222.jpg?v=1654607049"},{"product_id":"216_digital-pocket-scale","title":"Digital Pocket Scale","description":"\u003cp data-start=\"0\" data-end=\"64\"\u003e\u003cstrong data-start=\"0\" data-end=\"64\"\u003e500g Precision Scale for Science Labs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"66\" data-end=\"416\"\u003eThe Digital Pocket Scale is a compact, accurate measuring tool ideal for homeschool chemistry labs, physics experiments, and classroom science activities. Designed for precision and convenience, this scale weighs up to 500 grams (1.1 pounds), making it well-suited for measuring chemicals, lab materials, minerals, and small experimental samples.\u003c\/p\u003e\n\u003cp data-start=\"418\" data-end=\"538\"\u003eWith \u003cstrong\u003efour built-in measurement modes\u003c\/strong\u003e, students can easily switch between units depending on the experiment requirements:\u003c\/p\u003e\n\u003cul data-start=\"540\" data-end=\"601\"\u003e\n\u003cli data-start=\"540\" data-end=\"553\"\u003e\n\u003cp data-start=\"542\" data-end=\"553\"\u003eGrams (g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"569\"\u003e\n\u003cp data-start=\"556\" data-end=\"569\"\u003eOunces (oz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"570\" data-end=\"585\"\u003e\n\u003cp data-start=\"572\" data-end=\"585\"\u003eCarats (ct)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"586\" data-end=\"601\"\u003e\n\u003cp data-start=\"588\" data-end=\"601\"\u003eGrains (gn)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"603\" data-end=\"851\"\u003eThe clear digital display provides fast, accurate readings, supporting quantitative lab work and reinforcing proper measurement techniques. Its portable size makes it easy to store in a homeschool lab drawer or transport between classroom stations.\u003c\/p\u003e\n\u003cp data-start=\"853\" data-end=\"1052\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis 500g digital scale is an essential tool for structured science curriculum, lab-based learning, and accurate data collection in homeschool programs, co-ops, and private school science classrooms.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40075541315784,"sku":"A00121","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_6380d774-2c65-4486-b059-10cce3511a44.jpg?v=1661973994"},{"product_id":"239_owl-pellet-dissection-bundle","title":"Owl Pellet Dissection Bundle","description":"\u003cp data-end=\"88\" data-start=\"0\"\u003eOwl Pellet Dissection Bundle for Biology Labs | Complete Ecology \u0026amp; Food Web Activity Kit\u003c\/p\u003e\n\u003cp data-end=\"568\" data-start=\"90\"\u003eOur Owl Pellet Dissection Bundle is an engaging, ready-to-use option for a \u003cstrong data-end=\"199\" data-start=\"165\"\u003eone-afternoon science activity\u003c\/strong\u003e done in the classroom or at home. This all-in-one bundle includes everything needed to begin exploring \u003cstrong data-end=\"365\" data-start=\"303\"\u003eecology, predator–prey relationships, and skeletal anatomy\u003c\/strong\u003e without additional purchases or preparation. With a quality specimen, student-friendly tools, and clear instructions, this activity is both educational and approachable for a wide range of grade levels.\u003cspan style=\"color: #000000;\"\u003e\u003cspan color=\"#000000\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"994\" data-start=\"570\"\u003eChoose a regular (1.0–1.5 inches) or large (1.5–2.0 inches) owl pellet. Each Owl Pellet Dissection Bundle includes:\u003cbr data-end=\"688\" data-start=\"685\"\u003e• Owl pellet \u003cspan color=\"#311873\" style=\"color: #000000;\"\u003e (\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eregular \u003c\/strong\u003eshown on left\u003c\/span\u003e, \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003elarge \u003c\/strong\u003eshown on right\u003c\/span\u003e)\u003c\/span\u003e\u003cbr data-end=\"722\" data-start=\"719\"\u003e• Plastic magnifier (dual 3X and 6X lenses)\u003cbr data-end=\"771\" data-start=\"768\"\u003e• Plastic forceps\u003cbr data-end=\"791\" data-start=\"788\"\u003e• Bamboo probe\u003cbr data-end=\"808\" data-start=\"805\"\u003e• Foam dissection tray\u003cbr data-end=\"833\" data-start=\"830\"\u003e• Dissection gloves\u003cbr data-end=\"855\" data-start=\"852\"\u003e• Cornerstone’s 6-page owl pellet dissection booklet with instructions, discussion prompts, bird anatomy, and prey skeletal illustrations\u003c\/p\u003e\n\u003cp data-end=\"1329\" data-start=\"996\"\u003eThis owl pellet dissection bundle is widely used in elementary through college classrooms and aligns with curricula from Apologia, Bob Jones, Master Books, Classical Conversations, and more. With all materials included, students can complete the activity smoothly in a single session while developing observation and analysis skills.\u003c\/p\u003e\n\u003cp data-end=\"1524\" data-start=\"1331\"\u003e\u003cstrong data-end=\"1348\" data-start=\"1331\"\u003eDid You Know?\u003c\/strong\u003e Owls swallow their prey whole, then later regurgitate pellets containing bones and fur, giving students a unique window into what the owl has eaten without harming the animal.\u003c\/p\u003e\n\u003cp data-end=\"1606\" data-start=\"1526\"\u003e\u003cem data-end=\"1606\" data-start=\"1526\"\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"1606\" data-start=\"1526\"\u003eDiscounts available for purchases of 10 or more Owl Pellet Dissection Bundles.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Regular (1.0\"-1.5\")","offer_id":44723807748296,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"Large (1.5\"-2.0\")","offer_id":44723807781064,"sku":null,"price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Owl_Pellet_Bundle.jpg?v=1754944195"},{"product_id":"235_earthworm-dissection-bundle","title":"Earthworm Dissection Bundle","description":"\u003cp data-start=\"0\" data-end=\"78\"\u003eEarthworm Dissection Bundle for Biology Labs | Complete Annelid Dissection Kit\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"615\"\u003eOur Earthworm Dissection Bundle is an easy, all-in-one option for a \u003cstrong data-start=\"148\" data-end=\"192\"\u003eone-time classroom or at-home dissection\u003c\/strong\u003e, making it simple for teachers and families to complete a full lab in a single afternoon. Designed to align with \u003cstrong data-start=\"306\" data-end=\"339\"\u003ehigh school biology curricula\u003c\/strong\u003e, including Apologia, Bob Jones, and Masterbooks, this bundle includes all required materials, so there’s no need to purchase tools or guides separately. Each component is selected to support clear observation of annelid anatomy while keeping setup and cleanup straightforward.\u003c\/p\u003e\n\u003cp data-start=\"617\" data-end=\"814\"\u003e\u003cstrong\u003eEach Earthworm Dissection Bundle includes:\u003c\/strong\u003e\u003cbr data-start=\"659\" data-end=\"662\"\u003e• Plain preserved earthworm\u003cbr data-start=\"615\" data-end=\"618\"\u003e• Disposable dissection scalpel\u003cbr data-start=\"649\" data-end=\"652\"\u003e• Bamboo probe\u003cbr data-start=\"666\" data-end=\"669\"\u003e• Plastic forceps\u003cbr data-start=\"686\" data-end=\"689\"\u003e• Dissection gloves\u003cbr data-start=\"708\" data-end=\"711\"\u003e• 10 T-pins\u003cbr data-start=\"722\" data-end=\"725\"\u003e• Foam dissection tray\u003cbr data-start=\"747\" data-end=\"750\"\u003e• 8-page worm dissection guide\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"816\" data-end=\"1108\"\u003eThis earthworm dissection bundle supports instruction in anatomy, organ systems, and basic laboratory skills, making it a practical choice for life science courses and homeschool programs. With everything included in one package, students can focus on learning rather than gathering supplies.\u003c\/p\u003e\n\u003cp data-start=\"1353\" data-end=\"1558\"\u003e\u003cstrong data-start=\"1353\" data-end=\"1370\"\u003eDid You Know?\u003c\/strong\u003e Earthworms have multiple hearts—called aortic arches—that work together to move blood through the body, helping students see how circulation can function differently across animal groups.\u003c\/p\u003e\n\u003cp data-start=\"1353\" data-end=\"1558\"\u003e\u003cem\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1560\" data-end=\"1639\"\u003eDiscounts available for purchases of 10 or more earthworm dissection bundles.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655750164680,"sku":"","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_bd7458ac-b59b-408f-8e1a-01871f4ba497.jpg?v=1654607176"},{"product_id":"copy-of-crayfish-specimen-only","title":"Crayfish Specimen (50-Pack)","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-56\" data-testid=\"conversation-turn-114\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"4c008847-9691-4636-aa3a-5b79fbc9bf2a\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"70\"\u003eCrayfish Specimens for Biology Labs | 50-Pack Arthropod Dissection Set\u003c\/p\u003e\n\u003cp data-start=\"72\" data-end=\"542\"\u003eSave time and supplies with this convenient 50-pack of crayfish specimens, an excellent choice for any activity requiring the dissection of an \u003cstrong data-start=\"215\" data-end=\"228\"\u003earthropod\u003c\/strong\u003e. Widely used across elementary, middle school, and high school biology labs, crayfish allow students to observe clear examples of segmented body plans, specialized appendages, and well-defined internal systems. This bulk pack is ideal for classrooms, co-ops, and lab programs running multiple dissection sessions.\u003c\/p\u003e\n\u003cp data-start=\"544\" data-end=\"924\"\u003eStudents can observe and document external structures such as the cephalothorax, antennae, compound eyes, and various appendages. Internal anatomy includes the stomach and intestines, nerves, glands, gills, muscles, and additional structures commonly studied during arthropod dissections. Each specimen is \u003cstrong data-start=\"850\" data-end=\"880\"\u003eindividually vacuum-sealed\u003c\/strong\u003e to maintain quality and moisture until use.\u003c\/p\u003e\n\u003cp data-start=\"926\" data-end=\"1157\"\u003eSpecimens are initially preserved in formaldehyde to fix tissues, then rinsed with water and packed in a \u003cstrong data-start=\"1031\" data-end=\"1071\"\u003elow-odor, non-toxic holding solution\u003c\/strong\u003e, producing a specimen that is easy to handle and suitable for classroom environments.\u003c\/p\u003e\n\u003cp data-start=\"1159\" data-end=\"1400\"\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last up to 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/p\u003e\n\u003cp data-start=\"1402\" data-end=\"1622\"\u003e\u003cstrong data-start=\"1402\" data-end=\"1419\"\u003eDid You Know?\u003c\/strong\u003e Crayfish have specialized mouthparts that work together to sense, grasp, and process food, making them an excellent specimen for studying how multiple structures coordinate to perform a single function.\u003c\/p\u003e\n\u003cp data-start=\"1624\" data-end=\"1738\"\u003eNOTE: This item includes crayfish specimens only. For a complete activity set, see our Crayfish Dissection Bundle.\u003c\/p\u003e\n\u003cp data-start=\"1740\" data-end=\"1814\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"1740\" data-end=\"1814\" data-is-last-node=\"\"\u003eDiscounts available for purchases of 10 or more crayfish specimen packs.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40102310609096,"sku":"","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/Crayfish50.jpg?v=1621610704"},{"product_id":"anatomy-lessons","title":"High School Anatomy Lessons","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69729e2c-cf08-8333-b06d-f93cc3e56182-29\" data-testid=\"conversation-turn-134\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"08842c72-7704-49b8-bcb5-2eef65c04086\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch2 data-start=\"0\" data-end=\"82\"\u003eHigh School Human Anatomy Lesson Series – 6 Complete Lessons (Digital Download)\u003c\/h2\u003e\n\u003cp data-start=\"84\" data-end=\"456\"\u003eThis\u003cstrong\u003e \u003c\/strong\u003esix-lesson Human Anatomy series is designed for high school health and science classes, providing clear, structured instruction on the essential systems and structures of the human body. Ideal for homeschool families, Christian schools, co-ops, and traditional classrooms, this curriculum delivers focused, age-appropriate anatomy instruction for grades 9–12.\u003c\/p\u003e\n\u003cp data-start=\"458\" data-end=\"828\"\u003eEach lesson is organized to support understanding of \u003cstrong data-start=\"511\" data-end=\"612\"\u003ehuman body systems, structure and function, anatomical terminology, and basic physiology concepts\u003c\/strong\u003e, making it suitable for use as a standalone anatomy unit or as part of a broader health or biology course. The content is written to be accessible while maintaining academic rigor appropriate for high school credit.\u003c\/p\u003e\n\u003cp data-start=\"830\" data-end=\"1013\"\u003eThis is a \u003cstrong data-start=\"840\" data-end=\"860\"\u003edigital download\u003c\/strong\u003e. A secure link to download your files will be sent directly to your email after purchase, allowing immediate access for lesson planning and instruction.\u003c\/p\u003e\n\u003cp data-start=\"1015\" data-end=\"1265\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePerfect for educators searching for a high school human anatomy curriculum, printable anatomy lessons, or a structured anatomy unit for health class, this six-lesson series provides a ready-to-use solution for teaching foundational human anatomy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":40159169446088,"sku":"T00011","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/433334475e00355b8d6733e501200765.jpg?v=1634889800"},{"product_id":"owl-pellet-dissection-guide","title":"Owl Pellet Dissection Guide","description":"\u003cp data-start=\"0\" data-end=\"354\"\u003eDiscover the contents and formation of owl pellets with Cornerstone’s Owl Pellet Dissection Guide, a clear and engaging resource designed to support successful owl pellet investigations in classroom and homeschool settings. This guide helps students understand what owl pellets are, how they form, and what they reveal about feeding habits and food webs.\u003c\/p\u003e\n\u003cp data-start=\"356\" data-end=\"718\"\u003eThe Owl Pellet Dissection Guide includes \u003cstrong data-start=\"397\" data-end=\"420\"\u003e6 informative pages\u003c\/strong\u003e featuring bird anatomy, detailed diagrams of skulls and skeletal elements from common owl prey, and essential background information to guide students through the dissection process. Organized for easy reference, it supports careful observation, identification, and discussion during the activity.\u003c\/p\u003e\n\u003cp data-start=\"720\" data-end=\"884\"\u003e\u003cstrong data-start=\"720\" data-end=\"737\"\u003eDid You Know?\u003c\/strong\u003e By studying the bones found in owl pellets, students can determine the types of animals owls eat and estimate how many prey animals were consumed.\u003c\/p\u003e\n\u003cp data-start=\"886\" data-end=\"965\"\u003e\u003cem data-start=\"886\" data-end=\"965\"\u003eDiscounts available for purchases of 10 or more Owl Pellet Dissection Guides.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41655922884808,"sku":"A00561","price":2.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_3bbfdf85-1791-4299-9609-d9b888e52915.jpg?v=1655306046"},{"product_id":"owl-pellet-regular","title":"Owl Pellet - Regular Size","description":"\u003cp data-start=\"0\" data-end=\"62\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePlain Owl Pellet for Biology Labs | Ecology \u0026amp; Food Web Studies\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"64\" data-end=\"603\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eThis owl pellet is an engaging classroom specimen used to explore \u003cstrong data-start=\"130\" data-end=\"155\"\u003eecology and food webs\u003c\/strong\u003e through hands-on investigation. Commonly used in \u003cstrong data-start=\"205\" data-end=\"270\"\u003eelementary, middle school, and high school science classrooms\u003c\/strong\u003e, owl pellets allow students to study predator–prey relationships by examining the undigested remains of an owl’s meal. Each compact pellet measures approximately 1.0–1.5 inches in length and contains skeletal elements from at least one prey animal, making it ideal for \u003cstrong data-start=\"540\" data-end=\"571\"\u003ehands-on classroom analysis\u003c\/strong\u003e and data collection activities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"636\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eOwl Pellet Contents \u0026amp; Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"637\" data-end=\"840\"\u003e\n\u003cli data-start=\"637\" data-end=\"660\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"639\" data-end=\"660\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eCompact pellet form\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"661\" data-end=\"689\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"663\" data-end=\"689\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSkeletal remains of prey\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"690\" data-end=\"706\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"692\" data-end=\"706\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eRodent bones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"707\" data-end=\"728\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"709\" data-end=\"728\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eInsectivore bones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"729\" data-end=\"739\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"731\" data-end=\"739\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSkulls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"752\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"742\" data-end=\"752\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eJawbones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"753\" data-end=\"766\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"755\" data-end=\"766\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eVertebrae\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"767\" data-end=\"781\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"769\" data-end=\"781\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eLimb bones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"802\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"784\" data-end=\"802\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eFur and feathers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"803\" data-end=\"840\" style=\"color: rgb(64, 64, 64);\"\u003e\n\u003cp data-start=\"805\" data-end=\"840\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAt least one prey item per pellet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"842\" data-end=\"1221\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eEach owl pellet comes individually wrapped in aluminum foil and has been heat-sterilized for safe classroom use. These pellets support instruction in \u003cstrong data-start=\"992\" data-end=\"1037\"\u003eecology, food chains, and animal behavior\u003c\/strong\u003e, making them a popular choice for life science lessons, STEM activities, and homeschool programs. Discounts are available for classroom sets when purchasing more than ten owl pellets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1223\" data-end=\"1501\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1240\"\u003eDid You Know?\u003c\/strong\u003e Owls swallow their prey whole, but parts like bones and fur cannot be digested. Instead of passing through the digestive system, these materials are compressed into a pellet and later regurgitated, giving scientists and students a snapshot of what the owl ate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1794\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1794\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eDiscounts available for purchases of 10 or more owl pellets!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eNOTE: This item includes owl pellets \u003cspan style=\"text-decoration: underline;\"\u003eonly\u003c\/span\u003e. For a complete activity set, see our Owl Pellet Dissection Bundle.\u003c\/span\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41148786966728,"sku":"A00290","price":4.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/custom_resized_763b2a01-4086-4bcd-903f-a70b778ce770.jpg?v=1655307014"},{"product_id":"soil-test-kit","title":"Soil Test Kit","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-1\" data-testid=\"conversation-turn-92\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"68540e39-23e2-4fbf-8fd2-735ffc57bf5c\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"107\"\u003e\u003cstrong data-start=\"42\" data-end=\"107\"\u003eSoil Test Kit – pH, Nitrogen, Phosphorous \u0026amp; Potassium Testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"109\" data-end=\"417\"\u003eThe Rapitest\u003cstrong data-start=\"113\" data-end=\"139\"\u003e \u003c\/strong\u003eSoil Test Kit makes it simple to evaluate soil quality for gardening projects and science investigations. Ideal for homeschool botany studies, classroom plant experiments, and backyard gardening, this kit allows students to analyze key nutrients that directly impact plant growth and health, or simly to evaluate the soil composition of a garden bed.\u003c\/p\u003e\n\u003cp data-start=\"419\" data-end=\"458\"\u003e\u003cstrong\u003eTest soil for four components:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"460\" data-end=\"548\"\u003e\n\u003cli data-start=\"460\" data-end=\"493\"\u003e\n\u003cp data-start=\"462\" data-end=\"493\"\u003epH level (acidity\/alkalinity)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"494\" data-end=\"510\"\u003e\n\u003cp data-start=\"496\" data-end=\"510\"\u003eNitrogen (N)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"511\" data-end=\"530\"\u003e\n\u003cp data-start=\"513\" data-end=\"530\"\u003ePhosphorous (P)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"531\" data-end=\"548\"\u003e\n\u003cp data-start=\"533\" data-end=\"548\"\u003ePotassium (K)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"550\" data-end=\"817\"\u003eEach of the four easy color-comparison tests can be performed up to 10 times, allowing for repeated trials, comparative soil sampling, and structured data collection. Students observe color changes and match results to the included chart to determine nutrient levels.\u003c\/p\u003e\n\u003cp data-start=\"819\" data-end=\"1078\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis hands-on soil analysis kit supports lessons in plant biology, environmental science, agriculture, and experimental design. A practical tool for studying how soil composition affects plant growth in homeschool programs, co-ops, and classroom science labs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":41150846140616,"sku":"A00287","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/RapitestSoilTestKit.jpg?v=1662643435"},{"product_id":"sheep-heart-specimen","title":"Sheep Heart Specimen","description":"\u003cp data-start=\"0\" data-end=\"80\"\u003ePlain Sheep Heart Dissection Specimen for Biology Labs | Mammalian Heart Anatomy\u003c\/p\u003e\n\u003cp data-start=\"82\" data-end=\"675\"\u003eThis preserved sheep heart dissection specimen is a great choice for teaching students about \u003cstrong data-start=\"175\" data-end=\"202\"\u003emammalian heart anatomy\u003c\/strong\u003e and how the heart functions to move blood throughout the body. Commonly used in \u003cstrong data-start=\"283\" data-end=\"352\"\u003emiddle school, high school, and introductory college biology labs\u003c\/strong\u003e, the sheep heart closely resembles the human heart in size and structure, making it ideal for hands-on study of chambers, valves, and major vessels. Each specimen is prepared to maintain clear visibility of anatomical features, making it well suited for \u003cstrong data-start=\"607\" data-end=\"640\"\u003ehands-on classroom dissection\u003c\/strong\u003e focused on structure and function.\u003c\/p\u003e\n\u003cp data-start=\"677\" data-end=\"730\"\u003eSheep Heart Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"731\" data-end=\"970\"\u003e\n\u003cli data-start=\"731\" data-end=\"747\"\u003e\n\u003cp data-start=\"733\" data-end=\"747\"\u003eRight atrium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"748\" data-end=\"763\"\u003e\n\u003cp data-start=\"750\" data-end=\"763\"\u003eLeft atrium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"764\" data-end=\"783\"\u003e\n\u003cp data-start=\"766\" data-end=\"783\"\u003eRight ventricle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"784\" data-end=\"802\"\u003e\n\u003cp data-start=\"786\" data-end=\"802\"\u003eLeft ventricle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"803\" data-end=\"813\"\u003e\n\u003cp data-start=\"805\" data-end=\"813\"\u003eSeptum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"814\" data-end=\"823\"\u003e\n\u003cp data-start=\"816\" data-end=\"823\"\u003eAorta\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"844\"\u003e\n\u003cp data-start=\"826\" data-end=\"844\"\u003ePulmonary artery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"845\" data-end=\"864\"\u003e\n\u003cp data-start=\"847\" data-end=\"864\"\u003ePulmonary veins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"865\" data-end=\"878\"\u003e\n\u003cp data-start=\"867\" data-end=\"878\"\u003eVena cava\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"879\" data-end=\"898\"\u003e\n\u003cp data-start=\"881\" data-end=\"898\"\u003eTricuspid valve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"926\"\u003e\n\u003cp data-start=\"901\" data-end=\"926\"\u003eMitral (bicuspid) valve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"948\"\u003e\n\u003cp data-start=\"929\" data-end=\"948\"\u003eChordae tendineae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"949\" data-end=\"970\"\u003e\n\u003cp data-start=\"951\" data-end=\"970\"\u003ePapillary muscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"972\" data-end=\"1449\"\u003eThis preserved sheep heart specimen for dissection supports instruction in \u003cstrong data-start=\"1047\" data-end=\"1101\"\u003evertebrate biology and circulatory system function\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Dissection specimens are preserved in formalin to fix tissues, then rinsed and vacuum packed in a \u003cstrong data-start=\"1304\" data-end=\"1330\"\u003elow-odor holding fluid\u003c\/strong\u003e to ensure safe handling and long-lasting educational use. Each order includes one individually vacuum-packed specimen.\u003c\/p\u003e\n\u003cp data-start=\"1451\" data-end=\"1625\"\u003e\u003cstrong data-start=\"1451\" data-end=\"1468\"\u003eDid You Know?\u003c\/strong\u003e A sheep’s heart can beat more than 100 times per minute, pushing blood through a network of vessels that would stretch for miles if laid end to end—helping students appreciate how efficiently the heart supports the body’s needs.\u003c\/p\u003e\n\u003cp data-start=\"1627\" data-end=\"1918\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1627\" data-end=\"1918\"\u003eDiscounts available for purchases of 10 or more sheep heart specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42542379204808,"sku":"A00347","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/E774BFFF-F1CE-4979-9C3E-912625BBA214_1_201_a.jpg?v=1675802721"},{"product_id":"cow-eye-specimen","title":"Cow Eye Specimen","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003ePlain Cow Eye Dissection Specimen for Biology Labs | Mammalian Eye Anatomy\u003c\/p\u003e\n\u003cp data-start=\"76\" data-end=\"613\"\u003eThis preserved cow eye dissection specimen allows students to study the \u003cstrong data-start=\"148\" data-end=\"173\"\u003emammalian eye anatomy\u003c\/strong\u003e and understand how vision works in higher vertebrates. Commonly used in \u003cstrong data-start=\"246\" data-end=\"315\"\u003emiddle school, high school, and introductory college biology labs\u003c\/strong\u003e, the cow eye is an ideal model for exploring sensory organs because its size and structure closely resemble the human eye. Each specimen is preserved to maintain clear visibility of anatomical features, making it well-suited for hands-on classroom dissection focused on structure and function.\u003c\/p\u003e\n\u003cp data-start=\"615\" data-end=\"664\"\u003e\u003cstrong\u003eCow Eye Anatomy Structures (External \u0026amp; Internal):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"665\" data-end=\"807\"\u003e\n\u003cli data-start=\"665\" data-end=\"675\"\u003e\n\u003cp data-start=\"667\" data-end=\"675\"\u003eSclera\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"676\" data-end=\"686\"\u003e\n\u003cp data-start=\"678\" data-end=\"686\"\u003eCornea\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"687\" data-end=\"695\"\u003e\n\u003cp data-start=\"689\" data-end=\"695\"\u003eIris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"696\" data-end=\"705\"\u003e\n\u003cp data-start=\"698\" data-end=\"705\"\u003ePupil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"706\" data-end=\"714\"\u003e\n\u003cp data-start=\"708\" data-end=\"714\"\u003eLens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"715\" data-end=\"725\"\u003e\n\u003cp data-start=\"717\" data-end=\"725\"\u003eRetina\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"726\" data-end=\"737\"\u003e\n\u003cp data-start=\"728\" data-end=\"737\"\u003eChoroid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"753\"\u003e\n\u003cp data-start=\"740\" data-end=\"753\"\u003eOptic nerve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"754\" data-end=\"772\"\u003e\n\u003cp data-start=\"756\" data-end=\"772\"\u003eVitreous humor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"773\" data-end=\"790\"\u003e\n\u003cp data-start=\"775\" data-end=\"790\"\u003eAqueous humor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"791\" data-end=\"807\"\u003e\n\u003cp data-start=\"793\" data-end=\"807\"\u003eCiliary body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"809\" data-end=\"1299\"\u003eThis preserved cow eye specimen for dissection supports instruction in \u003cstrong data-start=\"880\" data-end=\"930\"\u003evertebrate biology and sensory system function\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Dissection specimens are initially preserved in formalin to fix tissues, then thoroughly rinsed and vacuum-packed in a \u003cstrong data-start=\"1154\" data-end=\"1180\"\u003elow-odor holding fluid\u003c\/strong\u003e to ensure safe handling and long-lasting educational use. Each order includes one individually vacuum-packed specimen.\u003c\/p\u003e\n\u003cp data-start=\"1301\" data-end=\"1527\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1318\"\u003eDid You Know?\u003c\/strong\u003e Cows have a reflective layer behind the retina called the \u003cem data-start=\"1377\" data-end=\"1394\"\u003etapetum lucidum\u003c\/em\u003e, which helps them see better in low-light conditions and is the reason their eyes appear to glow when light shines on them at night.\u003c\/p\u003e\n\u003cp data-start=\"1301\" data-end=\"1527\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42542392737992,"sku":"A00346","price":4.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/D65954D1-9942-4D78-A8CF-E2842B19D3FC_1_201_a.jpg?v=1675802805"},{"product_id":"sheep-brain","title":"Sheep Brain Specimen","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-21\" data-testid=\"conversation-turn-44\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ad254bb6-025c-46d6-8586-32c6c36a446f\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"80\"\u003ePlain Sheep Brain Dissection Specimen for Biology Labs | Mammalian Brain Anatomy\u003c\/p\u003e\n\u003cp data-start=\"82\" data-end=\"669\"\u003eThis preserved sheep brain dissection specimen is a great choice for classroom activities focused on \u003cstrong data-start=\"183\" data-end=\"210\"\u003emammalian brain anatomy\u003c\/strong\u003e and understanding how different brain regions function together. Commonly used in \u003cstrong data-start=\"293\" data-end=\"362\"\u003emiddle school, high school, and introductory college biology labs\u003c\/strong\u003e, the sheep brain closely resembles the human brain in overall organization, making it ideal for hands-on study. The dura mater has been removed to allow clear access to internal and external structures, and the specimen is prepared to maintain excellent visibility during \u003cstrong data-start=\"635\" data-end=\"668\"\u003ehands-on classroom dissection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"724\"\u003eSheep Brain Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"725\" data-end=\"898\"\u003e\n\u003cli data-start=\"725\" data-end=\"737\"\u003e\n\u003cp data-start=\"727\" data-end=\"737\"\u003eCerebrum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"752\"\u003e\n\u003cp data-start=\"740\" data-end=\"752\"\u003eCerebellum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"753\" data-end=\"767\"\u003e\n\u003cp data-start=\"755\" data-end=\"767\"\u003eBrain stem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"768\" data-end=\"784\"\u003e\n\u003cp data-start=\"770\" data-end=\"784\"\u003eHypothalamus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"785\" data-end=\"801\"\u003e\n\u003cp data-start=\"787\" data-end=\"801\"\u003eOptic nerves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"802\" data-end=\"821\"\u003e\n\u003cp data-start=\"804\" data-end=\"821\"\u003eOlfactory bulbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"822\" data-end=\"841\"\u003e\n\u003cp data-start=\"824\" data-end=\"841\"\u003ePituitary gland\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"842\" data-end=\"863\"\u003e\n\u003cp data-start=\"844\" data-end=\"863\"\u003eMedulla oblongata\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"864\" data-end=\"872\"\u003e\n\u003cp data-start=\"866\" data-end=\"872\"\u003ePons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"873\" data-end=\"898\"\u003e\n\u003cp data-start=\"875\" data-end=\"898\"\u003eSpinal cord (partial)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"900\" data-end=\"1256\"\u003eThis preserved sheep brain specimen for dissection supports instruction in \u003cstrong data-start=\"975\" data-end=\"1014\"\u003eneuroanatomy and vertebrate biology\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. The removal of the dura mater allows students to more easily identify major brain regions and pathways during dissection and observation.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1463\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1275\"\u003eDid You Know?\u003c\/strong\u003e The folds and grooves on the surface of the brain increase its surface area, allowing more brain cells to fit into a limited space and helping support complex processing and coordination.\u003c\/p\u003e\n\u003cp data-start=\"1465\" data-end=\"1756\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1465\" data-end=\"1756\"\u003eDiscounts available for purchases of 10 or more sheep brain specimens!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42542396408008,"sku":"A00345","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/products\/359F8DEB-4737-4F4B-9546-66B9F739D1DB_1_201_a.jpg?v=1675802859"},{"product_id":"dissection-tray","title":"Dissection Tray (regular)","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6194988c-01c8-4c65-a397-904d7ddc6381\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"81\"\u003eStandard Dissection Tray for Biology Labs | Reusable Wax-Filled Dissection Pan\u003c\/p\u003e\n\u003cp data-start=\"83\" data-end=\"642\"\u003eCornerstone’s small dissection tray is an easy, dependable option for \u003cstrong data-start=\"153\" data-end=\"190\"\u003eone-afternoon science dissections\u003c\/strong\u003e involving smaller specimens such as frogs, crayfish, earthworms, cow eyes, sheep brains, clams, and similar lab materials. Sized for convenience without sacrificing stability, this tray supports smooth classroom and homeschool lab sessions with minimal setup. The durable metal base is filled with a \u003cstrong data-start=\"491\" data-end=\"511\"\u003ecustom wax blend\u003c\/strong\u003e that is waterproof and firm yet pliable, allowing students to pin specimens securely while practicing proper dissection technique.\u003c\/p\u003e\n\u003cp data-start=\"644\" data-end=\"920\"\u003eBuilt for repeated use, the wax surface can be gently melted and cooled to refresh the working area, extending the life of the tray over many years of biology instruction. This makes it a practical choice for programs that want reliable equipment without frequent replacement.\u003c\/p\u003e\n\u003cp data-start=\"922\" data-end=\"1021\"\u003eTray dimensions:\u003cbr data-start=\"938\" data-end=\"941\"\u003e• Full tray: 10 × 7 inches\u003cbr data-start=\"967\" data-end=\"970\"\u003e• Wax surface: 6 × 9 inches\u003cbr data-start=\"997\" data-end=\"1000\"\u003e• Depth: 0.5 inches\u003c\/p\u003e\n\u003cp data-start=\"1232\" data-end=\"1299\"\u003e\u003cem data-start=\"1232\" data-end=\"1299\"\u003eDiscounts available for purchases of 10 or more dissection trays.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42677847359688,"sku":"A00048","price":14.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Dissectiontray_small_web.heic?v=1683818289"},{"product_id":"starfish-4-6-specimen-only","title":"Starfish (Sea Star) Specimen, 4\"-6\"","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c9c07776-6b5f-44c0-a4a9-fcc51504a80c-24\" data-testid=\"conversation-turn-50\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"5abc04a8-7ccd-4b19-baf6-e516428665c6\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"72\"\u003ePlain Starfish Dissection Specimen for Biology Labs | Echinoderm Anatomy\u003c\/p\u003e\n\u003cp data-start=\"74\" data-end=\"625\"\u003eThis preserved starfish dissection specimen is an excellent choice for studying \u003cstrong data-start=\"154\" data-end=\"176\"\u003eechinoderm anatomy\u003c\/strong\u003e and understanding how marine invertebrates are organized. Commonly used in \u003cstrong data-start=\"252\" data-end=\"298\"\u003emiddle school and high school biology labs\u003c\/strong\u003e, starfish are ideal model organisms because their unique body plan and visible structures make them easy to observe during dissection. This specimen is plain (no injections) and prepared to maintain clear visibility of anatomical features, making it well suited for \u003cstrong data-start=\"565\" data-end=\"598\"\u003ehands-on classroom dissection\u003c\/strong\u003e and student investigation.\u003c\/p\u003e\n\u003cp data-start=\"627\" data-end=\"677\"\u003eStarfish Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"678\" data-end=\"907\"\u003e\n\u003cli data-start=\"678\" data-end=\"694\"\u003e\n\u003cp data-start=\"680\" data-end=\"694\"\u003eCentral disc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"695\" data-end=\"710\"\u003e\n\u003cp data-start=\"697\" data-end=\"710\"\u003eArms (rays)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"711\" data-end=\"729\"\u003e\n\u003cp data-start=\"713\" data-end=\"729\"\u003eAboral surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"730\" data-end=\"746\"\u003e\n\u003cp data-start=\"732\" data-end=\"746\"\u003eOral surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"747\" data-end=\"762\"\u003e\n\u003cp data-start=\"749\" data-end=\"762\"\u003eMadreporite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"763\" data-end=\"776\"\u003e\n\u003cp data-start=\"765\" data-end=\"776\"\u003eTube feet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"777\" data-end=\"799\"\u003e\n\u003cp data-start=\"779\" data-end=\"799\"\u003eAmbulacral grooves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"825\"\u003e\n\u003cp data-start=\"802\" data-end=\"825\"\u003eWater vascular system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"826\" data-end=\"835\"\u003e\n\u003cp data-start=\"828\" data-end=\"835\"\u003eMouth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"836\" data-end=\"855\"\u003e\n\u003cp data-start=\"838\" data-end=\"855\"\u003eCardiac stomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"856\" data-end=\"875\"\u003e\n\u003cp data-start=\"858\" data-end=\"875\"\u003ePyloric stomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"896\"\u003e\n\u003cp data-start=\"878\" data-end=\"896\"\u003eDigestive glands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"897\" data-end=\"907\"\u003e\n\u003cp data-start=\"899\" data-end=\"907\"\u003eGonads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"909\" data-end=\"1256\"\u003eThis preserved starfish specimen for dissection supports instruction in \u003cstrong data-start=\"981\" data-end=\"1024\"\u003einvertebrate biology and marine anatomy\u003c\/strong\u003e, making it a valuable addition to anatomy labs, life science courses, and homeschool science programs. Each specimen is individually vacuum sealed for cleanliness and ease of storage, helping ensure a reliable classroom experience.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1472\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1275\"\u003eDid You Know?\u003c\/strong\u003e Starfish use hundreds of tiny tube feet to move and hold onto surfaces, and these tube feet work using water pressure rather than muscles, making their movement system unlike that of most animals.\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1765\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1765\"\u003eDiscounts available for purchases of 10 or more starfish specimens!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42889841279176,"sku":"A00057","price":4.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Starfish_4-6inches.jpg?v=1694535207"},{"product_id":"fetal-pig-7-9-double-injected","title":"Fetal Pig Specimen 7\"-9\" (double-injected)","description":"\u003cp data-start=\"314\" data-end=\"402\"\u003ePlain Double-Injected Fetal Pig Dissection Specimen for Biology Labs | Mammalian Anatomy\u003c\/p\u003e\n\u003cp data-start=\"404\" data-end=\"1037\"\u003eThis double-injected fetal pig dissection specimen is an excellent model for exploring \u003cstrong data-start=\"491\" data-end=\"512\"\u003emammalian anatomy\u003c\/strong\u003e and understanding organ system organization in higher vertebrates. Commonly used in\u003cstrong\u003e \u003c\/strong\u003emiddle school, high school, and introductory college biology labs, fetal pigs closely resemble human anatomy, making them ideal for comparative anatomy studies. This specimen is specially prepared with red dye injected into the arteries and blue dye injected into the veins to clearly highlight the \u003cstrong data-start=\"900\" data-end=\"922\"\u003ecirculatory system\u003c\/strong\u003e, allowing students to easily trace blood flow and identify major vessels during \u003cstrong data-start=\"1003\" data-end=\"1036\"\u003ehands-on classroom dissection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1039\" data-end=\"1090\"\u003eFetal Pig Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"1091\" data-end=\"1312\"\u003e\n\u003cli data-start=\"1091\" data-end=\"1100\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1100\"\u003eSnout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1101\" data-end=\"1127\"\u003e\n\u003cp data-start=\"1103\" data-end=\"1127\"\u003eExternal ears (pinnae)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1128\" data-end=\"1139\"\u003e\n\u003cp data-start=\"1130\" data-end=\"1139\"\u003eEyelids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1140\" data-end=\"1149\"\u003e\n\u003cp data-start=\"1142\" data-end=\"1149\"\u003eLimbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1150\" data-end=\"1160\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1160\"\u003eHooves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1161\" data-end=\"1179\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1179\"\u003eUmbilical cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1189\"\u003e\n\u003cp data-start=\"1182\" data-end=\"1189\"\u003eHeart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1190\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1192\" data-end=\"1199\"\u003eLungs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1209\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1209\"\u003eLiver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1210\" data-end=\"1221\"\u003e\n\u003cp data-start=\"1212\" data-end=\"1221\"\u003eStomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1222\" data-end=\"1236\"\u003e\n\u003cp data-start=\"1224\" data-end=\"1236\"\u003eIntestines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1237\" data-end=\"1248\"\u003e\n\u003cp data-start=\"1239\" data-end=\"1248\"\u003eKidneys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1249\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1268\"\u003eUrinary bladder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1291\"\u003eArteries (red dye)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1312\"\u003e\n\u003cp data-start=\"1294\" data-end=\"1312\"\u003eVeins (blue dye)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1314\" data-end=\"1689\"\u003eThis preserved fetal pig specimen for dissection supports instruction in \u003cstrong data-start=\"1387\" data-end=\"1433\"\u003evertebrate biology and comparative anatomy\u003c\/strong\u003e, making it a cornerstone specimen for anatomy labs, life science courses, and homeschool science programs. The double injection enhances visibility of blood vessels, helping students better understand circulation and organ relationships during dissection.\u003c\/p\u003e\n\u003cp data-start=\"1691\" data-end=\"1917\"\u003e\u003cstrong data-start=\"1691\" data-end=\"1708\"\u003eDid You Know?\u003c\/strong\u003e Fetal pigs are commonly used in anatomy studies because their internal organs are arranged very similarly to those of humans, allowing students to make meaningful comparisons between animal and human biology.\u003c\/p\u003e\n\u003cp data-start=\"1919\" data-end=\"2210\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1919\" data-end=\"2210\"\u003eDiscounts available for purchases of 10 or more fetal pig specimens!\u003c\/p\u003e\n\u003cp\u003eBest paired with our large dissection tray (shown) and dissection tool kit.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42889949839560,"sku":"A00060","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Fetalpig_7-9inch.jpg?v=1694535123"},{"product_id":"dissection-tray-large","title":"Dissection Tray (large)","description":"\u003cp data-start=\"0\" data-end=\"70\"\u003eMetal Dissection Tray for Biology Labs | Large Specimen Dissection Pan\u003c\/p\u003e\n\u003cp data-start=\"72\" data-end=\"648\"\u003eCornerstone’s dissection tray is a dependable, long-lasting solution for \u003cstrong data-start=\"145\" data-end=\"187\"\u003elarger classroom dissection activities\u003c\/strong\u003e, including cats, fetal pigs, dogfish sharks, and other full-size specimens. Designed for ease of use in both school labs and homeschool settings, this tray provides a stable workspace that supports \u003cstrong data-start=\"386\" data-end=\"423\"\u003eone-afternoon science dissections\u003c\/strong\u003e without complicated setup. The durable metal base is filled with a \u003cstrong data-start=\"491\" data-end=\"511\"\u003ecustom wax blend\u003c\/strong\u003e that is waterproof and firm yet pliable, allowing specimens to be securely pinned in place for clear observation and precise dissection.\u003c\/p\u003e\n\u003cp data-start=\"650\" data-end=\"971\"\u003eA key advantage of this dissection tray is its reusability. The wax surface can be gently melted and cooled to restore a smooth working area, making the tray suitable for repeated use over many years of biology instruction. This makes it a practical, cost-effective choice for programs that conduct dissections regularly.\u003c\/p\u003e\n\u003cp data-start=\"973\" data-end=\"1077\"\u003eTray dimensions:\u003cbr data-start=\"989\" data-end=\"992\"\u003e• Full tray: 13 × 9.5 inches\u003cbr data-start=\"1020\" data-end=\"1023\"\u003e• Wax surface: 12.5 × 9 inches\u003cbr data-start=\"1053\" data-end=\"1056\"\u003e• Depth: 0.6 inches\u003c\/p\u003e\n\u003cp data-start=\"1079\" data-end=\"1196\"\u003eThe second photo shows the tray paired with a 7–9 inch fetal pig specimen for size reference (specimen not included).\u003c\/p\u003e\n\u003cp data-start=\"1079\" data-end=\"1196\"\u003eDiscounts available for purchases of 10 or more large dissection trays.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42889955246280,"sku":"A00049","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Dissectiontray_large_3e04a7b7-4928-4402-a1d8-b2c9c401ec98.jpg?v=1694535547"},{"product_id":"clam","title":"Freshwater Clam Specimen","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-20\" data-turn-id=\"bdff0033-1668-4b40-9af6-2284d7126353\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"befd06a9-b9ac-4234-a4c6-1f81d2ac8dd2\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"83\" data-start=\"0\"\u003ePlain Preserved Clam Dissection Specimen for Biology Labs | Bivalve Mollusk Anatomy\u003c\/p\u003e\n\u003cp data-end=\"795\" data-start=\"85\"\u003eThis plain preserved clam dissection specimen is an excellent educational specimen commonly used in middle school and high school biology labs to teach \u003cstrong data-end=\"269\" data-start=\"241\"\u003ebivalved mollusk anatomy\u003c\/strong\u003e and basic invertebrate classification. Clams are a classic model organism for anatomy studies because their simple body plan clearly demonstrates how bivalves feed, breathe, and move. Each specimen measures approximately \u003cstrong data-end=\"515\" data-start=\"491\"\u003e3 to 4 inches across\u003c\/strong\u003e and is preserved to maintain clear visibility of anatomical structures, making it ideal for \u003cstrong data-end=\"641\" data-start=\"608\"\u003ehands-on classroom dissection\u003c\/strong\u003e. Students begin by examining the external anatomy of a clam, then proceed to explore the \u003cstrong data-end=\"776\" data-start=\"735\"\u003einternal anatomy of a bivalve mollusk\u003c\/strong\u003e during dissection.\u003c\/p\u003e\n\u003cp data-end=\"843\" data-start=\"797\"\u003eClam Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-end=\"1059\" data-start=\"844\"\u003e\n\u003cli data-end=\"862\" data-start=\"844\"\u003e\n\u003cp data-end=\"862\" data-start=\"846\"\u003eShell (valves)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"872\" data-start=\"863\"\u003e\n\u003cp data-end=\"872\" data-start=\"865\"\u003eHinge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"881\" data-start=\"873\"\u003e\n\u003cp data-end=\"881\" data-start=\"875\"\u003eUmbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"898\" data-start=\"882\"\u003e\n\u003cp data-end=\"898\" data-start=\"884\"\u003eGrowth lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"909\" data-start=\"899\"\u003e\n\u003cp data-end=\"909\" data-start=\"901\"\u003eMantle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"927\" data-start=\"910\"\u003e\n\u003cp data-end=\"927\" data-start=\"912\"\u003eMantle cavity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"937\" data-start=\"928\"\u003e\n\u003cp data-end=\"937\" data-start=\"930\"\u003eGills\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"946\" data-start=\"938\"\u003e\n\u003cp data-end=\"946\" data-start=\"940\"\u003eFoot\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"963\" data-start=\"947\"\u003e\n\u003cp data-end=\"963\" data-start=\"949\"\u003eLabial palps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"973\" data-start=\"964\"\u003e\n\u003cp data-end=\"973\" data-start=\"966\"\u003eMouth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"985\" data-start=\"974\"\u003e\n\u003cp data-end=\"985\" data-start=\"976\"\u003eStomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1005\" data-start=\"986\"\u003e\n\u003cp data-end=\"1005\" data-start=\"988\"\u003eDigestive gland\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1019\" data-start=\"1006\"\u003e\n\u003cp data-end=\"1019\" data-start=\"1008\"\u003eIntestine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1028\" data-start=\"1020\"\u003e\n\u003cp data-end=\"1028\" data-start=\"1022\"\u003eAnus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1049\" data-start=\"1029\"\u003e\n\u003cp data-end=\"1049\" data-start=\"1031\"\u003eAdductor muscles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1059\" data-start=\"1050\"\u003e\n\u003cp data-end=\"1059\" data-start=\"1052\"\u003eHeart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1646\" data-start=\"1061\"\u003eThis preserved clam specimen for dissection supports instruction in \u003cstrong data-end=\"1194\" data-start=\"1129\"\u003einvertebrate biology, marine science, and comparative anatomy\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Pair it with a \u003cstrong data-end=\"1337\" data-start=\"1314\"\u003eclam dissection kit\u003c\/strong\u003e that includes tools, a dissecting guide, and a tray for a complete lab experience. Specimens are initially fixed using a formaldehyde solution to preserve tissue structure, then rinsed and stored in a glycol-based solution, producing a \u003cstrong data-end=\"1616\" data-start=\"1574\"\u003emoist, low-odor, long-lasting specimen\u003c\/strong\u003e suitable for educational use.\u003c\/p\u003e\n\u003cp data-end=\"1946\" data-start=\"1648\"\u003e\u003cstrong data-end=\"1665\" data-start=\"1648\"\u003eDid You Know?\u003c\/strong\u003e Clams do not have a head or eyes, yet they can sense changes in their environment using specialized cells along their mantle. Their powerful adductor muscles allow them to snap their shells shut tightly, helping protect them from predators and drying out when exposed at low tide.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cp\u003eDissection tray sold separately. \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDiscounts available for purchases of 10 or more clam specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":42890060103880,"sku":"","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/Clam.jpg?v=1694539544"},{"product_id":"dogfish-shark","title":"Dogfish Shark Specimen","description":"\u003cp data-start=\"0\" data-end=\"69\"\u003ePlain Shark Dissection Specimen for Biology Labs | Vertebrate Anatomy\u003c\/p\u003e\n\u003cp data-start=\"71\" data-end=\"666\"\u003eThis plain preserved shark dissection specimen is an excellent and accessible model for studying \u003cstrong data-start=\"168\" data-end=\"185\"\u003eshark anatomy\u003c\/strong\u003e and understanding how cartilaginous fish differ from bony fish and other vertebrates. Commonly used in middle school, high school, and introductory college biology labs, this specimen allows students to explore body organization, organ systems, and adaptations for life in the ocean. Each specimen measures approximately \u003cstrong data-start=\"511\" data-end=\"537\"\u003e18–22 inches in length\u003c\/strong\u003e and is not injected, making it ideal for \u003cstrong data-start=\"579\" data-end=\"612\"\u003ehands-on classroom dissection\u003c\/strong\u003e focused on observation and structural identification.\u003c\/p\u003e\n\u003cp data-start=\"668\" data-end=\"715\"\u003eShark Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"716\" data-end=\"925\"\u003e\n\u003cli data-start=\"716\" data-end=\"730\"\u003e\n\u003cp data-start=\"718\" data-end=\"730\"\u003eDorsal fin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"731\" data-end=\"748\"\u003e\n\u003cp data-start=\"733\" data-end=\"748\"\u003ePectoral fins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"749\" data-end=\"764\"\u003e\n\u003cp data-start=\"751\" data-end=\"764\"\u003ePelvic fins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"765\" data-end=\"779\"\u003e\n\u003cp data-start=\"767\" data-end=\"779\"\u003eCaudal fin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"780\" data-end=\"789\"\u003e\n\u003cp data-start=\"782\" data-end=\"789\"\u003eGills\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"790\" data-end=\"803\"\u003e\n\u003cp data-start=\"792\" data-end=\"803\"\u003eSpiracles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"804\" data-end=\"820\"\u003e\n\u003cp data-start=\"806\" data-end=\"820\"\u003eLateral line\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"821\" data-end=\"830\"\u003e\n\u003cp data-start=\"823\" data-end=\"830\"\u003eMouth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"831\" data-end=\"840\"\u003e\n\u003cp data-start=\"833\" data-end=\"840\"\u003eTeeth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"841\" data-end=\"850\"\u003e\n\u003cp data-start=\"843\" data-end=\"850\"\u003eLiver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"851\" data-end=\"862\"\u003e\n\u003cp data-start=\"853\" data-end=\"862\"\u003eStomach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"877\"\u003e\n\u003cp data-start=\"865\" data-end=\"877\"\u003eIntestines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"878\" data-end=\"887\"\u003e\n\u003cp data-start=\"880\" data-end=\"887\"\u003eHeart\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"888\" data-end=\"899\"\u003e\n\u003cp data-start=\"890\" data-end=\"899\"\u003eKidneys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"900\" data-end=\"925\"\u003e\n\u003cp data-start=\"902\" data-end=\"925\"\u003eGonads (when present)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"927\" data-end=\"1273\"\u003eThis preserved shark specimen for dissection supports instruction in \u003cstrong data-start=\"996\" data-end=\"1037\"\u003evertebrate biology and marine anatomy\u003c\/strong\u003e, making it a strong choice for anatomy labs, life science courses, and homeschool science programs. The specimen’s size allows clear visibility of major structures while remaining manageable for student dissection and group activities.\u003c\/p\u003e\n\u003cp data-start=\"1275\" data-end=\"1498\"\u003e\u003cstrong data-start=\"1275\" data-end=\"1292\"\u003eDid You Know?\u003c\/strong\u003e Sharks have skeletons made of cartilage instead of bone, which makes their bodies lighter and more flexible—an adaptation that helps them swim efficiently and survive as top predators in marine ecosystems.\u003c\/p\u003e\n\u003cp\u003eAdd a \u003ca href=\"https:\/\/cornerstone-edsupply.com\/products\/shark-dissection-tray\"\u003eshark dissection tray\u003c\/a\u003e using the drop-down menu to the right.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDiscounts available for purchases of 10 or more shark specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Specimen only - no dissection tray","offer_id":44693293727944,"sku":"A00021","price":26.95,"currency_code":"USD","in_stock":true},{"title":"Add shark dissection tray + $9.95","offer_id":44693293695176,"sku":"A00028","price":36.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/640x427-Shark-SpinyDogfish-NOAAFisheries.png?v=1751905077"},{"product_id":"cover-glass","title":"Microscope Cover Glass","description":"\u003cp data-start=\"137\" data-end=\"197\"\u003e\u003cstrong data-start=\"137\" data-end=\"197\"\u003eMicroscope Cover Glass or Coverslides – 22 × 22 mm Squares (Box of 100)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"199\" data-end=\"498\"\u003eThese microscope cover glass squares are essential accessories for preparing clean, reliable microscope slides. Each box contains \u003cstrong data-start=\"333\" data-end=\"368\"\u003e100 precision-cut cover glasses\u003c\/strong\u003e, measuring \u003cstrong data-start=\"380\" data-end=\"394\"\u003e22 × 22 mm\u003c\/strong\u003e, making them ideal for protecting specimens and improving image clarity during microscopic observation.\u003c\/p\u003e\n\u003cp data-start=\"500\" data-end=\"795\"\u003eDesigned to sit flat over samples, cover glass helps \u003cstrong data-start=\"553\" data-end=\"598\"\u003eprevent contamination, reduce evaporation\u003c\/strong\u003e, and protect microscope objectives while ensuring even light transmission. The thin, uniform construction allows for clear viewing of specimens in biology, chemistry, and general science labs.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"1021\"\u003eCommonly used in\u003cstrong\u003e \u003c\/strong\u003eeducational settings, student laboratories, and routine microscopy, these cover glasses are compatible with standard microscope slides and are suitable for a wide range of wet and dry mount applications. Some may refer to them as coverslips or coverslides.\u003c\/p\u003e\n\u003cp data-start=\"1023\" data-end=\"1036\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1036\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1037\" data-end=\"1253\"\u003e\n\u003cli data-start=\"1037\" data-end=\"1063\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1063\"\u003eQuantity: Box of 100\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1064\" data-end=\"1086\"\u003e\n\u003cp data-start=\"1066\" data-end=\"1086\"\u003eSize: 22 × 22 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1118\"\u003e\n\u003cp data-start=\"1089\" data-end=\"1118\"\u003eSquare microscope coverslides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1119\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1121\" data-end=\"1167\"\u003eEnhances specimen clarity and slide protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1212\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1212\"\u003eCompatible with standard microscope slides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1213\" data-end=\"1253\"\u003e\n\u003cp data-start=\"1215\" data-end=\"1253\"\u003eIdeal for classroom and laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":43878499025096,"sku":"A00037","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/CoverGlasspic_2024-06-27T14_58_36.142Z.png?v=1719500318"},{"product_id":"shark-dissection-tray","title":"Dogfish Shark Dissection Tray","description":"\u003cp data-end=\"72\" data-start=\"0\"\u003ePlain Dogfish Shark Dissection Foam Pad | Biology Lab Dissection Support\u003c\/p\u003e\n\u003cp data-end=\"600\" data-start=\"74\"\u003eThis extra-thick foam dissection pad is a durable lab accessory designed specifically for dogfish shark dissection labs and hands-on biology instruction. Made to support proper positioning during dissection, this pad provides a stable work surface that helps students focus on \u003cstrong data-end=\"414\" data-start=\"363\"\u003eanatomy identification and dissection technique\u003c\/strong\u003e rather than specimen movement. The generous size and thickness make it ideal for middle school, high school, and introductory college biology labs using larger vertebrate specimens.\u003c\/p\u003e\n\u003cp data-end=\"640\" data-start=\"602\"\u003e\u003cstrong\u003eDogfish Shark Dissection Pad Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"887\" data-start=\"641\"\u003e\n\u003cli data-end=\"678\" data-start=\"641\"\u003e\n\u003cp data-end=\"678\" data-start=\"643\"\u003eExtra-thick EPS foam construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"713\" data-start=\"679\"\u003e\n\u003cp data-end=\"713\" data-start=\"681\"\u003e8 inch by 24 inch surface area\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"755\" data-start=\"714\"\u003e\n\u003cp data-end=\"755\" data-start=\"716\"\u003e1.5 inch thickness for secure pinning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"793\" data-start=\"756\"\u003e\n\u003cp data-end=\"793\" data-start=\"758\"\u003eCentral groove running lengthwise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"843\" data-start=\"794\"\u003e\n\u003cp data-end=\"843\" data-start=\"796\"\u003eGroove design keeps specimen flat on its back\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"887\" data-start=\"844\"\u003e\n\u003cp data-end=\"887\" data-start=\"846\"\u003eLightweight yet rigid lab-safe material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1478\" data-start=\"889\"\u003eThis dissection foam pad is engineered to pair perfectly with a \u003ca rel=\"noopener\" title=\"Dogfish Shark Lab Dissection Specimen\" href=\"https:\/\/cornerstone-edsupply.com\/products\/dogfish-shark?_pos=1\u0026amp;_sid=e453800ac\u0026amp;_ss=r\u0026amp;variant=44693293695176\" target=\"_blank\"\u003e\u003cstrong data-end=\"990\" data-start=\"953\"\u003edogfish \u003cspan style=\"text-decoration: underline;\"\u003eshark dissection specimen\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e, allowing students to clearly observe external and internal anatomical structures during lab activities. The central groove helps stabilize the shark in a dorsal-up position, improving access to organs and reducing shifting during cuts and pinning. It is an essential component for vertebrate dissection labs, classroom science programs, and homeschool biology courses.\u003c\/p\u003e\n\u003cp data-end=\"1771\" data-start=\"1480\"\u003e\u003cstrong data-end=\"1497\" data-start=\"1480\"\u003eDid You Know?\u003c\/strong\u003e Dogfish sharks lack a swim bladder, so they rely on their oil-rich liver and body positioning to maintain buoyancy.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44693217018056,"sku":"A00018","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/sharkdissectiontray1.jpg?v=1773773691"},{"product_id":"sheep-kidney","title":"Sheep Kidney Specimen","description":"\u003cp data-start=\"176\" data-end=\"251\"\u003ePlain Sheep Kidney Dissection Specimen for Biology Labs | Mammalian Anatomy\u003c\/p\u003e\n\u003cp data-start=\"253\" data-end=\"976\"\u003eThis plain preserved sheep kidney dissection specimen is a high-quality educational specimen commonly used in middle school, high school, and introductory college biology labs to teach \u003cstrong data-start=\"442\" data-end=\"493\"\u003emammalian anatomy and excretory system function\u003c\/strong\u003e. Sheep kidneys are an excellent model for anatomy studies because their size and internal structure closely resemble those of the human kidney. Each specimen is preserved to maintain clear visibility of anatomical structures, making it ideal for \u003cstrong data-start=\"740\" data-end=\"773\"\u003ehands-on classroom dissection\u003c\/strong\u003e. Students begin by examining the external anatomy of a sheep kidney, then proceed to explore the \u003cstrong data-start=\"875\" data-end=\"909\"\u003einternal anatomy of the kidney\u003c\/strong\u003e to better understand filtration, waste removal, and fluid balance.\u003c\/p\u003e\n\u003cp data-start=\"978\" data-end=\"1032\"\u003eSheep Kidney Anatomy Structures (External \u0026amp; Internal):\u003c\/p\u003e\n\u003cul data-start=\"1033\" data-end=\"1228\"\u003e\n\u003cli data-start=\"1033\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1035\" data-end=\"1050\"\u003eRenal capsule\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1067\"\u003eRenal cortex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1085\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1085\"\u003eRenal medulla\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1104\"\u003e\n\u003cp data-start=\"1088\" data-end=\"1104\"\u003eRenal pyramids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1105\" data-end=\"1122\"\u003e\n\u003cp data-start=\"1107\" data-end=\"1122\"\u003eRenal columns\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1123\" data-end=\"1139\"\u003e\n\u003cp data-start=\"1125\" data-end=\"1139\"\u003eRenal pelvis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1140\" data-end=\"1151\"\u003e\n\u003cp data-start=\"1142\" data-end=\"1151\"\u003eCalyces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1152\" data-end=\"1162\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1162\"\u003eUreter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1179\"\u003e\n\u003cp data-start=\"1165\" data-end=\"1179\"\u003eRenal artery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1194\"\u003e\n\u003cp data-start=\"1182\" data-end=\"1194\"\u003eRenal vein\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1195\" data-end=\"1207\"\u003e\n\u003cp data-start=\"1197\" data-end=\"1207\"\u003eNephrons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1208\" data-end=\"1228\"\u003e\n\u003cp data-start=\"1210\" data-end=\"1228\"\u003eCollecting ducts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1230\" data-end=\"1830\"\u003eThis preserved sheep kidney specimen for dissection supports instruction in \u003cstrong data-start=\"1306\" data-end=\"1370\"\u003evertebrate biology, physiology, and human anatomy comparison\u003c\/strong\u003e, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Pair it with a sheep kidney dissection kit that includes tools, a dissecting guide, and a tray for a complete lab experience. Specimens are initially fixed using a formaldehyde solution to preserve tissue structure, then rinsed and stored in a glycol-based solution, producing a \u003cstrong data-start=\"1758\" data-end=\"1800\"\u003emoist, low-odor, long-lasting specimen\u003c\/strong\u003e suitable for educational use.\u003c\/p\u003e\n\u003cp data-start=\"1832\" data-end=\"2108\"\u003e\u003cstrong data-start=\"1832\" data-end=\"1849\"\u003eDid You Know?\u003c\/strong\u003e Each sheep kidney contains millions of tiny filtering units called nephrons. In humans, if all the nephrons from one kidney were laid end to end, they would stretch for more than 50 miles—showing just how efficient and complex the excretory system really is.\u003c\/p\u003e\n\u003cp data-start=\"1832\" data-end=\"2108\"\u003e\u003cem\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1832\" data-end=\"2108\"\u003eDiscounts available for purchases of 10 or more sheep kidney specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44708436279496,"sku":"A00337","price":8.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/sheepkidney2.jpg?v=1773773546"},{"product_id":"bullfrog","title":"Plain Bullfrog Specimen","description":"\u003cp\u003ePlain Bullfrog Dissection Specimen for Biology Labs | Vertebrate Anatomy\u003c\/p\u003e\n\u003cp data-end=\"1219\" data-start=\"550\"\u003eThis \u003cstrong\u003eplain preserved bullfrog \u003c\/strong\u003edissection specimen (not injected) is a \u003cstrong\u003ehigh-quality educational specimen\u003c\/strong\u003e commonly used in middle school and high school biology labs to teach vertebrate anatomy and comparative anatomy concepts. Bullfrogs are a classic model organism for anatomy studies due to their \u003cstrong\u003ewell-developed organ systems\u003c\/strong\u003e and structural similarities to higher vertebrates. Each bullfrog specimen is preserved to maintain clear visibility of anatomical structures, making it ideal for hands-on classroom dissection. Students begin by examining the external anatomy of a bullfrog, then proceed to explore internal organ systems during dissection.\u003c\/p\u003e\n\u003cp data-end=\"1275\" data-start=\"1221\"\u003e\u003cstrong data-end=\"1275\" data-start=\"1221\"\u003eBullfrog Anatomy Structures (External \u0026amp; Internal):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1666\" data-start=\"1276\"\u003e\n\u003cli data-end=\"1286\" data-start=\"1276\"\u003e\n\u003cp data-end=\"1286\" data-start=\"1278\"\u003eSkin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"1287\"\u003e\n\u003cp data-end=\"1297\" data-start=\"1289\"\u003eEyes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1331\" data-start=\"1298\"\u003e\n\u003cp data-end=\"1331\" data-start=\"1300\"\u003eTympanic membrane (eardrum)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1346\" data-start=\"1332\"\u003e\n\u003cp data-end=\"1346\" data-start=\"1334\"\u003eNostrils\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1362\" data-start=\"1347\"\u003e\n\u003cp data-end=\"1362\" data-start=\"1349\"\u003eForelimbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1379\" data-start=\"1363\"\u003e\n\u003cp data-end=\"1379\" data-start=\"1365\"\u003eHind limbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1392\" data-start=\"1380\"\u003e\n\u003cp data-end=\"1392\" data-start=\"1382\"\u003eDigits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1410\" data-start=\"1393\"\u003e\n\u003cp data-end=\"1410\" data-start=\"1395\"\u003eWebbed feet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1423\" data-start=\"1411\"\u003e\n\u003cp data-end=\"1423\" data-start=\"1413\"\u003eCloaca\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1488\" data-start=\"1424\"\u003e\n\u003cp data-end=\"1488\" data-start=\"1426\"\u003eDigestive system (stomach, intestines, liver, gallbladder)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1521\" data-start=\"1489\"\u003e\n\u003cp data-end=\"1521\" data-start=\"1491\"\u003eRespiratory system (lungs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1554\" data-start=\"1522\"\u003e\n\u003cp data-end=\"1554\" data-start=\"1524\"\u003eCirculatory system (heart)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1604\" data-start=\"1555\"\u003e\n\u003cp data-end=\"1604\" data-start=\"1557\"\u003eExcretory system (kidneys, urinary bladder)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1649\" data-start=\"1605\"\u003e\n\u003cp data-end=\"1649\" data-start=\"1607\"\u003eReproductive structures (when present)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1666\" data-start=\"1650\"\u003e\n\u003cp data-end=\"1666\" data-start=\"1652\"\u003eFat bodies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2270\" data-start=\"1668\"\u003eThis preserved bullfrog specimen for dissection supports instruction in \u003cstrong\u003evertebrate biology\u003c\/strong\u003e, physiology, and organ system function, making it an excellent choice for anatomy labs, life science courses, and homeschool science programs. Pair it with a bullfrog dissection kit that includes tools, a dissecting guide, and a tray for a complete lab experience. Specimens are initially fixed using a formaldehyde solution to preserve tissue structure, then rinsed and stored in a glycol-based solution, producing a\u003cstrong\u003e moist, low-odor, long-lasting specimen\u003c\/strong\u003e suitable for educational use.\u003c\/p\u003e\n\u003cp data-end=\"2615\" data-start=\"2272\"\u003e\u003cstrong data-end=\"2289\" data-start=\"2272\"\u003eDid You Know?\u003c\/strong\u003e Bullfrogs have a three-chambered heart, which helps students understand how circulatory systems differ between amphibians, reptiles, birds, and mammals. Even cooler? Bullfrogs can breathe through their skin using a process called \"cutaneous respiration\"\u003cem data-end=\"3078\" data-start=\"3055\"\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"2615\" data-start=\"2272\"\u003e\u003cem data-end=\"3078\" data-start=\"3055\"\u003eStore specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85ºF). Specimens will last up to 12 months when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"2615\" data-start=\"2272\"\u003eDiscounts available for purchases of 10 or more frog specimens!\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Plain","offer_id":44896671695048,"sku":null,"price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/bullfrog2.jpg?v=1773773481"}],"url":"https:\/\/cornerstone-edsupply.com\/collections\/biology.oembed?page=7","provider":"Cornerstone Educational Supply","version":"1.0","type":"link"}