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!
Build your own 10 inch kaleidoscope with this great kit!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Perform awesome experiments using everyday materials found in any kitchen!
This glass Erlenmeyer mug makes an excellent gift!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
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.