A set of seven different acrylic lenses and prisms perfect for use with a ray box or in classroom optics demonstrations.
The large realistic model has removable organs that can be studied and set back into the correct position.
Make the coolest 3D pin art on your desk with this amazing desk toy.
Build a model green house and 9 other green energy-related devices with this great kit!
Learn how solar cells transform light into electrical energy with this great kit!
Explore the wonders of wind power with this amazing kit!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
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