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!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Is it a demonstration of a scientific law or a work of art?
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.