Fully extend this slinky pop toob and twirl it to create a cool whistling sound. The toob extends up to 4 times its compressed size. You can also twist it and use several toobs to make cool creations. Awesome as an economical desk toy--makes a great stress reliever!
Discover how solar cells make electricity with this awesome kit!
The Wimshurst Machine is a high quality static machine for student labs.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
A combination of three of our great discovery toys, all in one package!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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.