Create your own game show "buzz in" system to indicate who presses their button first for up to 6 players. Click more info for complete details.

Two LED hearts are pierced by an arrow.

LEDs in this flasher kit are aligned in the shape of a robot. This is a fun and easy circuit to assemble for beginners!

FK184 UFO Chasing Light 8 LEDs

FK179 Warning Light Flasher. 20 LED Warning Light that adjustable Flash rate or LEDs can be continuously on! Two different outlines can be selected. See Details

FK178 Two Step Disco LED Flasher. 18 Red LEDs Flash in eye appealing rates & patterns. Adjustable speeds from very slow to fast. See Details Currently available only as assembled FA178

This basic circuit is suitable for learners who are interested in AVR microcontroller. See video link in details

A basic sound power testing circuit that can be used to measure preliminary sound power and sound level (which do not require precision) or as a sound power testing game. See detail

A basic light flashing circuit that suits those who are interested in electronics. Easy to assemble, to understand and low cost with only a few components. The circuit is a good decoration for parties.

This kit creates a basic blinking light circuit that suits those who are interested in electronics. It contains 2 LEDs which alternately blink with adjustable speeds.

This kit contains a small three step flasher circuit. 19 LEDs create a 3 step blinking circle from internal to external. See details

This kit creates a chasing light circuit with several different display functions. It has 3 separate functions: chasing from left to right, chasing from right to left, and an alternating pattern of these two directions.