Radiometer - Light Mill
The Sphere Powered by the Sun! A radiometer demonstrates how light can be converted into motion. More light, more spin! NC-0771
$17.95
Owl Pellet
Dissect this sanitary owl pellet which contains the skeletal remains of an owl meal. Learn about the owl's habitat, place in the food chain, and predatory skills. NC-13982
$10.00
Classic Drinking Bird
This timeless novelty is a scientific wonder, using the properties of thermodynamics to keep it in constant bobbing motion. NC-3905
$9.00