The contact key is commonly known to be used in demonstrating Morse code. The Contact Key allows you to open and close circuits by pressing down on a lever. Metal studs ensure a solid contact for maximum conductivity. This product is an excellent tool for science experiments!
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
A massive mounted set of 100 rocks and minerals found in the US,
With this cool electronic kit you get to assemble your own mini electric guitar!
This kit includes several different projects that demonstrate the power of magnets!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!