Battery

Simple Motor

Build a motor with household materials.

Turn off TVs by just looking at them.

Makey is an autonomous robot programmed to follow objects around and avoid obstacles. It has a fully enclosed chassis and uses tank steering.

Walkie-talkie actuator lets everyone pose without rushing.

Optically amplified rubber band twang.

Make an electronic instrument built on a 24-pin IC socket.

Explore the fine art of making Frankenmice.