Perform the classic rotational inertia physics experiment with this set. Race these two down an inclined plane and let your students predict which one will reach the bottom first. Both ring and disk have equal mass and radius but different mass distribution.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Build a robot that's an artist too!
This is a classic demonstration toy of the powers of magnetic fields!
This SUPER Erector Construction set is one of the best you'll find anywhere!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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