Dr. Johnson’s Heat Engine is a cool demonstration model of a clean heat engine. Using Muscle Wires® technology, the model shows how a heat engine can operate without the use of motors, gasoline or electricity. It comes with a helpful instruction guide with science facts on shape memory alloys and an explanation of how clean heat works. Recommended for use as a science project or as a classroom demonstration model.
Extra thick medical examination gloves - 60mil. Great for extra protection.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Extra-large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Durable, anti-fog safety glasses that fit comfortably on any head size.
This SUPER Erector Construction set is one of the best you'll find anywhere!
Exciting magnet exploration for ages 8 and up!
A combination of three of our great discovery toys, all in one package!
Build a robot that's an artist too!
This caffeine molecule mug makes an excellent gift!
This advanced physics kit is perfect for older children already versed in physics knowledge!
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.