Add a dramatic touch to your music with this kit which will flash a light or string of lights (up to 150 watts) in beat with the music.  Connects to any 8 ohm speaker output.  It also has adjustable sensitivity.

Components:  2 resistors, potentiometer, capacitor, neon bulb, SCR, transformer, slide switch, outlet, line cord

Principles taught:  SCRs, audio control