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.
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 LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
Build your own 10 inch kaleidoscope with this great kit!
This black scorpion specimen is great for the classroom setting!