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.
This kit focuses on teaching children about electricity and how electronic devices work!
This project book and sample kit introduces you to shape-memory alloy technology!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Ever wonder how to survive in the wilderness? These cards can help!
A combination of three of our great discovery toys, all in one package!
Build 14 assorted solar robots, some of which can travel over water!
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.