This is a standard DC power jack that can be mounted on a chassis for your next hobby electronics project. Measures 2.1mm.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This ultimate chemistry set features 250 mind-boggling experiments!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Perform awesome experiments using everyday materials found in any kitchen!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
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.