These 1/4 inch thick glass plates are ideal for testing the hardness or softness of minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity of residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
Great tarantula specimen for the science classroom!
This glass Erlenmeyer mug makes an excellent gift!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Build your own windmill generator kit by recycling a plastic bottle!
Get swept away by this fantastic robot kit that uses vibrations to move!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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.