This handy battery shield can be used to power all of your science and electronics hobby projects. Great for teachers - no more wasting AA batteries! Just re-charge your 18650 lithium battery over night and you are ready for a full day of class room experiments. With outputs of 3V and 5V DC you can use this shield with a variety of circuits with lightbulbs, buzzers, DC motors, LEDs, etc.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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.
This is a classic demonstration toy of the powers of magnetic fields!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Great tarantula specimen for the science classroom!
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.