Copper is rarely found in the form of a natural nugget. This is a real natural copper nugget displayed in a cute acrylic case, with an information card on the back. Highly recommended as an addition to a science project on copper, a stocking stuffer or a unique party favor.
A perpetual motion model of the galaxy, makes a good desk toy.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Build over 100 exciting electronic projects with this easy to use kit!
The Wimshurst Machine is a high quality static machine for student labs.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Build your very own smart robot!