To a casual observer, a rock and a mineral appear to be very much alike. However, to a geologist, a rock is something much different from a mineral. A mineral is a combination of two or more elements, while a rock is a combination of 2 or more minerals. You can learn more fun facts about rocks and minerals by investing in this collection. Sixteen common rocks and minerals are featured on this 4 X 6 card, along with interesting information included on the back of the card.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Learn all about the science of light, optics and visual perception with this wonderful kit!
Get one of the craziest and coolest kaleidoscopes around!
With this cool electronic kit you get to assemble your own mini electric guitar!