Drumbots
Make a digital drum machine that plays real drums.
Soldering iron
Electronic Drum Kit
Build tubular drum controllers out of PVC for a professional sound.
The Stealth Mic
Disguise an inexpensive binaural microphone as ordinary earbuds.
Elastic String Bass
Optically amplified rubber band twang.
Vibrobots
A simple, fun robot for the rest of us.
Solar Joule Bracelet
Solar-cell links are cleverly boosted to drive an LED jewel.
Mystery Electronic Switches
Only you know how to make this nifty magic gadget light up.
