Get acquainted with one of the most interesting products of geological processes with this introductory collection of real specimens of igneous rock. Igneous rocks are formed by the cooling of molten rock, either magma or lava and are thus often direct results of volcanic activity; examples include obsidian, pumice, and basalt. The Igneous Rock Bag is an economy collection of 6 specimens representative of igneous rock family. Each generous specimen is 1.25" to 1.5" and is contained in a zip lock bag with a label.
Learn about hydrogen fuel cells with this incredible kit!
Every kid needs one of these spheres!
Build your very own smart robot!
The large realistic model has removable organs that can be studied and set back into the correct position.
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
Easily assemble a working alarm motion detector!
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.