You can use this rubber stopper to contain liquid in test tubes and flasks. Fits tightly to prevent chemical leaks. Highly recommended for use in the science classroom or when displaying a science project!
A combination of three of our great discovery toys, all in one package!
Get one of the craziest and coolest kaleidoscopes around!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
See the solar system in action!
This classic desk toy will keep you amused!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
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.