$6.95
This Field Compass is the perfect companion to the great outdoors. It features a liquid-filled center that suspends...
$1.25
Easily draw 1/2" to 12" diameter circles with this handy student compass. Built-in measurements are in inches and...
Choose from zinc or copper.
$72.00$28.80
60% off 2nd Edition! Get a new book at a used-book price This is the 2nd edition of...
60% off 2nd Edition! Get a new book at a used-book price This is for the 2nd edition...
$6.85
This set contains glass, acrylic, and acetal rods as well as three different static-building fabric swatches of fur, silk,...
$12.00
This weight set contains nine removable 20g weights for laboratory use. The hanger's 20g bring the total weight...
$9.95
Our digital pocket scale is perfect for at-home labs It can weigh up to 500g (1.1 pounds) and...
Clear and plastic protractor. Available in singles or packs of 10. 
A 12-inch (30 cm), clear, plastic, ruler.
If your mineral or rocks is attracted to a magnet, you'll know it when using these strong 1-inch disk...
$2.50
Great for craft activities involving tying together straws and craft sticks. Size 16 rubber bands Each bag weighs...
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