Stack all 5 of these colorful tops and watch them spin! Just use the wind-up device to wind the tops, push the button to release the top, and then you’ll be mesmerized as all 5 tops spin at once. Excellent as a toy or gift.
View the glory of space with this hi-tech telescope set!
This simple but amusing magnetic toy will keep you busy for hours!
Find the hidden crystals when you open your own geodes from this fun set.
Get one of the craziest and coolest kaleidoscopes around!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Get swept away by this fantastic robot kit that uses vibrations to move!
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.