Out of stock! Kit makes a circuit to play the It's a small world". Comes Complete with 2" speaker.

Kit makes an a touch sensitive alarm circuit. Loop a wire from the circuit onto a door kob or other metal object. When it is touched, it will set off the on circuit board alarm sound. Requires 9 volt DC

Kit makes an Infrared Burgular Alarm Kit. Uses an invisible Infrared beam between transmitter and receiver circuit boards to detect someone breaking the beam. 9 volt DC

Kit makes an Infrared Sensor that can detect people & animals from up to 18 feet away. Has delayed off from 0-5 minutes. Relay on circuit board for up to 500 watts AC or DC

Kit makes an LED flash like the strobe on a building top when it gets dark using a opto sensor. Also can look like a Fire Fly at night. See details

Kit makes a pair of 3 volt bulbss Flash Alternately at a speed similar to a blinking railroad crossing light. see details

Help File for assembling Fun Kits

Kit makes a two stage FM wireles transmitter that can be used as a wireless microphone. Includes Microphone

Kit makes a Solid State Relay capable of switching loads up to 220 VAC with small input signal (5-15 volts DC).

Out of stock! Kit makes a Mono to Stereo Simulator. Works with 12 volt DC power supply