Great set of 100 assorted 5mm LEDs. Perfect for any electronics project!
Included are: 20 green, 20 red, 20 yellow, 20 blue and 20 white LEDs.
A massive mounted set of 100 rocks and minerals found in the US,
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
A combination of three of our great discovery toys, all in one package!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
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.