A length of durable, non-stretch cotton measuring 82 feet (25 meters) long at 1/16 of an inch thick. The string is specially designed for use with any of our pulleys, allowing you to perform experiments demonstrating basic laws of motion and simple machines. Perfect for the physics classroom, and great for use with a variety of science fair experiments.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Build a robot that's an artist too!
This kit includes several different projects that demonstrate the power of magnets!
This classic desk toy will keep you amused!
Perform awesome experiments using everyday materials found in any kitchen!
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.