Simple equilateral plastic prism. Great for science projects and classroom demonstrations.
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
Mystify your friends as your UFO hovers and seems to defy gravity!
The ultimate Engino building set, with 100 different model project possibilities and two included motors!
Build over 100 exciting electronic projects with this easy to use kit!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Build your own windmill generator kit by recycling a plastic bottle!