Cal Test Electronics Global Specialties GSK-109 LED Flashing Lights Kit
LED Flashing Lights Kit
This is an excellent kit for introducing basic electronic principles. Two LED's will alternatively blink and the blinking speed is adjustable. Kit is easy to assemble with minimal components.
This kit may be assembled without soldering on any Global Specialties trainer or Proto-Board® (not included), or by soldering to the included PCB. Parts and assembly instructions included.