This stretchy string is so much fun - you can pull it, oscillate it, twirl it, fling it, shoot it into the sky--it’s just too much fun for one, and it’s stretchy enough for two. Two 12" strands come in one package and each one will stretch out to 10 feet in length. Highly recommended as a cool stocking stuffer or birthday gift!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
Learn how solar cells transform light into electrical energy with this great kit!
Use this laser pointer for any professional presentation!
Build a robot that's an artist too!
This kit will get your paper plane ready for takeoff!
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.