Butterfly Broadcaster
MP3 players are great when you're wearing earphones. Wouldn't it be nice, though, to listen through your home or car stereo? Well, now you can!
Build a Voice Changer
Use this simple device to mystify and confuse family and friends.
Microcontrollers Give Slot Cars a Boost
Give yourself an advantage in the turns and on the straight-aways next time you're racing.
The Freeze Fountain
Make water stand still with this tabletop fountain and learn a little about science in the process.
Become a Schematic Fanatic
Don't let a few crazy looking symbols prevent you from attempting and/or completing a project.
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