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!
Create beautiful art with this amazing sun paper!
Working model representing the sun, earth, and moon and their relationships.
Defy gravity with this cool balancing eagle!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
The cards show the name of the element, the atomic number, group, natural state and common usages!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!