FK100 Series Fun Kits
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Kit makes 21 LEDs chase like an Arrow Sign. Great for signs or displays. Adjustable speed. See Details
FK149
$8.99
Kit makes a pair of 3 volt bulbss Flash Alternately at a speed similar to a blinking railroad crossing light. see details
FK171
$6.99  $5.99
Kit makes a multi function adjustable timer switch circuit. 0-3 hours Control devices from 1-220 Volts AC or DC
FK433
$10.99

This is a warning and water pump level control circuit for checking water level and control the water pump automatically. See More Info Kit requires assembly by soldering
FK438
$11.49
Kit makes a Solid State Relay capable of switching loads up to 220 VAC with small input signal (5-15 volts DC).
FK423
$8.99
Kit makes a sensitive Whisper Amplifier Circuit
FK917
$7.99

Kit makes a circuit to maake sound effects to simulate a Lion. Comes Complete with 2" speaker.
FK204
$6.99
Kit makes a circuit to make sound effects to simulate a Siren.
FK230
$5.49
Kit makes a Voice Activated Switch that goes on with the 1st noise and off with the next noise.
FK409
$8.99

Kit makes a light activated alarm. Possible use in Refridgerator as open door warning
FK911
$4.99
Kit makes 35 dot matrix LEDs chase in two directions. Great for signs or displays. See details
FK151
$8.75
Kit makes a circuit to maake sound effects to simulate a Frog. Comes Complete with 2" speaker.
FK214
$6.99

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