Place your TV rock on any printed surface and watch how the tiny fibers transmit the image to the top of the rock. This unusual effect is the result of ulexites amazing fiber optic properties. Try placing your rock on an actual TV screen, a photograph or a leaf. You’ll see the same effect. Get them while they last!
Ulexite (NaCaB5O9·8H2O) (hydrated sodium calcium borate hydroxide) is a mineral occurring in silky white rounded crystalline masses or in parallel fibers. It was named after the 19th century German chemist G. L. Ulex who first discovered it.
This glass Erlenmeyer mug makes an excellent gift!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Great tarantula specimen for the science classroom!
This advanced physics kit is perfect for older children already versed in physics knowledge!
This great rock tumbling kit comes with everything you need to polish stones and gems!
This classic device is used to demonstrate the conservation of mechanical energy.