This kit produces flashes of very intense white light using a 5 watt Xenon flash tube.  The flash rate is adjustable from 1Hz to about 12Hz.  The kit can be converted into a manual strobe for photography, etc.

Components:  2 resistors, potentiometer, 3 capacitors, 2 diodes, neon bulb, xenon tube, SCR, transformer, slide switch, line cord

Principles taught:  voltage doublers, SCRs, RC timing, transformers