This large chunk of Moscovite Mica, 2-3 inches in diameter, is great for any mineral collection.
A common rock-forming silicate, generally colorless and ranking No. 4 on the Mohs scale of hardness. It has a variable chemical composition of potassium, magnesium, silicon, and oxygen, with water in its crytalline structure. Large, clear plates of mica where once commonly used for windows, but more often used as an insulator.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
This is a classic demonstration toy of the powers of magnetic fields!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Get swept away by this fantastic robot kit that uses vibrations to move!
View the glory of space with this hi-tech telescope set!
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