This 1,000um core size plastic fiber optic cable can be used with for all kinds of applications.
Experience this sphere powered by the sun!
Easily assemble a working alarm motion detector!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This superb chemistry set features 350 mind-boggling experiments!
Defy gravity with this cool balancing eagle!