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!
Comprehensive collection of 30 fossils.
This kit includes several different projects that demonstrate the power of magnets!
Every kid needs one of these spheres!
Learn about hydrogen fuel cells with this incredible kit!
A combination of three of our great discovery toys, all in one package!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
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.