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.
Build your own windmill generator kit by recycling a plastic bottle!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
This magic bird defies gravity before your very eyes!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Get one of the craziest and coolest kaleidoscopes around!