{"title":"Dissection Supplies","description":"Equipment and specimens needed for your dissection activities!","products":[{"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":"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":"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":"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":"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":"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":"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":"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":"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"},{"product_id":"t-pins-2-copy","title":"T-Pins (2\") 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-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":"Default Title","offer_id":45049557319880,"sku":"A00043","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/boxtpins.jpg?v=1781539993"},{"product_id":"squid-dissection-specimen-8-12-plain","title":"Squid Dissection Specimen 8-12\" (plain)","description":"\u003cp data-start=\"0\" data-end=\"94\"\u003e\u003cstrong\u003eSquid Dissection Specimen for Biology Labs | Preserved Cephalopod Anatomy Specimen (8–12 Inch)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"96\" data-end=\"669\"\u003eThis preserved squid dissection specimen (8–12 inches) is a high-quality cephalopod specimen ideal for \u003cstrong data-start=\"96\" data-end=\"340\"\u003estudying invertebrate anatomy, marine biology, and advanced organ systems \u003c\/strong\u003ein middle school, high school, and homeschool science programs. Squid are fascinating marine animals that provide students with the opportunity to examine specialized structures used for movement, feeding, sensing the environment, and survival. Each specimen is preserved to maintain excellent anatomical visibility and is individually packaged for classroom or at-home dissection activities.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"855\"\u003e\u003cstrong data-start=\"671\" data-end=\"711\"\u003eSquid Anatomy Structures (External):\u003c\/strong\u003e\u003cbr\u003e• Mantle\u003cbr data-start=\"720\" data-end=\"723\"\u003e• Fins\u003cbr data-start=\"729\" data-end=\"732\"\u003e• Head\u003cbr data-start=\"738\" data-end=\"741\"\u003e• Eyes\u003cbr data-start=\"747\" data-end=\"750\"\u003e• Siphon (funnel)\u003cbr data-start=\"767\" data-end=\"770\" data-is-only-node=\"\"\u003e• Arms\u003cbr data-start=\"776\" data-end=\"779\"\u003e• Tentacles\u003cbr data-start=\"790\" data-end=\"793\"\u003e• Suckers\u003cbr data-start=\"802\" data-end=\"805\"\u003e• Mouth\u003cbr data-start=\"812\" data-end=\"815\"\u003e• Beak\u003cbr data-start=\"821\" data-end=\"824\"\u003e• Chromatophores (when visible)\u003c\/p\u003e\n\u003cp data-start=\"857\" data-end=\"1074\"\u003e\u003cstrong data-start=\"857\" data-end=\"897\"\u003eSquid Anatomy Structures (Internal):\u003c\/strong\u003e\u003cbr\u003e• Gills\u003cbr data-start=\"905\" data-end=\"908\"\u003e• Branchial hearts\u003cbr data-start=\"926\" data-end=\"929\"\u003e• Systemic heart\u003cbr data-start=\"945\" data-end=\"948\"\u003e• Digestive gland\u003cbr data-start=\"965\" data-end=\"968\"\u003e• Stomach\u003cbr data-start=\"977\" data-end=\"980\" data-is-only-node=\"\"\u003e• Cecum\u003cbr data-start=\"987\" data-end=\"990\"\u003e• Intestine\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e• Ink sac\u003cbr data-start=\"1013\" data-end=\"1016\"\u003e• Gonads\u003cbr data-start=\"1024\" data-end=\"1027\"\u003e• Esophagus\u003cbr data-start=\"1038\" data-end=\"1041\"\u003e• Mantle cavity\u003cbr data-start=\"1056\" data-end=\"1059\"\u003e• Pen (gladius)\u003c\/p\u003e\n\u003cp data-start=\"1076\" data-end=\"1453\"\u003eThis preserved squid specimen supports instruction in marine biology, cephalopod anatomy, invertebrate zoology, and comparative anatomy, making it an excellent addition to biology laboratories and homeschool science studies. Students can explore how squid are uniquely adapted for life in the ocean while examining complex organ systems and specialized anatomical features.\u003c\/p\u003e\n\u003cp data-start=\"1455\" data-end=\"1639\"\u003e\u003cstrong\u003eSpecimens are individually vacuum-sealed.\u003c\/strong\u003e Initially preserved in formaldehyde to fix tissues, specimens are then rinsed with water and packed in a low-odor, non-toxic holding solution.\u003c\/p\u003e\n\u003cp data-start=\"1641\" data-end=\"1875\"\u003e\u003cstrong data-start=\"1641\" data-end=\"1658\"\u003eDid You Know?\u003c\/strong\u003e Squid have three hearts—two pump blood to the gills, while a third pumps oxygen-rich blood throughout the body. This unique circulatory system helps support the squid's active lifestyle and powerful swimming ability.\u003c\/p\u003e\n\u003cp data-start=\"1877\" data-end=\"2112\"\u003eStore specimens at room temperature away from direct sunlight. Do not freeze or expose to temperatures above 85°F. Unopened specimens will last 12 months. After opening, place the specimen in a zip-top bag and keep for up to one month.\u003c\/p\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":45114327466184,"sku":"A00582","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/squid.jpg?v=1781539470"}],"url":"https:\/\/cornerstone-edsupply.com\/collections\/dissection-supplies.oembed?page=4","provider":"Cornerstone Educational Supply","version":"1.0","type":"link"}