A set of seven different glass lenses and prisms perfect for use with a ray box or in classroom optics demonstrations.
This classic device is used to demonstrate the conservation of mechanical energy.
This SUPER Erector Construction set is one of the best you'll find anywhere!
Exciting magnet exploration for ages 8 and up!
See the solar system in action!
This classic desk toy will keep you amused!
Discover how solar cells make electricity with this awesome kit!
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