They'll appreciate the physics behind Adam and Jaime's experiments even more when they can create models with different gear ratios, try different style turbine blades, and even recharge batteries with this kit. MoreGet Free Shipping on Geno 2.0 Today During Our Limited-Time Offer!
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IKOS 3D Building Toy
World's first spherical building blocks. Made in USA. 100% recycled.
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