Great comprehensive dissecting set for school labs. Comes in a durable faux-leather zipper case.
Is it a demonstration of a scientific law or a work of art?
Learn Chemistry While Creating Sweet Treats
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Build a model green house and 9 other green energy-related devices with this great kit!
Build a robot that's an artist too!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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