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.
Defy gravity with this cool balancing eagle!
Easily assemble a working alarm motion detector!
Everything you need to setup your own dancing Oobleck (non-Newtonian fluid) apparatus!
Experience this sphere powered by the sun!
Create beautiful art with this amazing sun paper!
Build a tumbling robot that gets up right after it has fallen down, without any outside help!