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.
This classic device is used to demonstrate the conservation of mechanical energy.
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Great tarantula specimen for the science classroom!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
A cool kit that helps you build your very own robotic arm!