One of the coolest desk toys of all time! A different sculpture every time!
This reversible magnetic sand timer can be used like a regular hourglass without the base or as a cool magnetic hourglass with the magnetized base.
This SUPER Erector Construction set is one of the best you'll find anywhere!
Discover how solar cells make electricity with this awesome kit!
The Wimshurst Machine is a high quality static machine for student labs.
Learn all about the science of light, optics and visual perception with this wonderful kit!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Build your own windmill generator kit by recycling a plastic bottle!
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.