This small and affordable DC crank generator features a 5V USB connection port and can be used to charge and power a wide variety of electronic devices. Just pull the hand crank out and spin it; a red LED next to the connection port will let you know that you're generating power. The unit also includes a wrist strap to prevent breakages. Bring it camping, or have one around the house handy in case of emergencies or power outtages.
Plug your Android phone and tablet or your Apple phone and iPad using your existing USB charging cable or use an included USB to 5.5x2.1 mm DC power cable to power your other devices or science project circuits.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Extra thick medical examination gloves - 60mil. Great for extra protection.
Durable, anti-fog safety glasses that fit comfortably on any head size.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Every kid needs one of these spheres!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Build a model green house and 9 other green energy-related devices with this great kit!
Use this kit to introduce electromagnetic principles in the classroom setting!
Build over 100 exciting electronic projects with this easy to use kit!
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