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!
Build a model green house and 9 other green energy-related devices with this great kit!
Comprehensive collection of 30 fossils.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
A combination of three of our great discovery toys, all in one package!
This is a classic demonstration toy of the powers of magnetic fields!
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.