Laboratory quality cover glass slides.
Build your own 10 inch kaleidoscope with this great kit!
The large realistic model has removable organs that can be studied and set back into the correct position.
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Every kid needs one of these spheres!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This superb chemistry set features 350 mind-boggling experiments!
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.