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 adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Learn all about the science of light, optics and visual perception with this wonderful kit!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Learn Chemistry While Creating Sweet Treats
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.