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 quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
This classic desk toy will keep you amused!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Exciting magnet exploration for ages 8 and up!
See the solar system in action!
This black scorpion specimen is great for the classroom setting!
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