Toss it in the air and watch the colors magically flip!
Hand held, magical color-flipping balls make a fun, portable toy.
Fascinating to play with and hard to put down.
Ball diameter: 4 inches
Comes in assorted colors.
A combination of three of our great discovery toys, all in one package!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Comprehensive collection of 30 fossils.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
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.