Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904

* This is a novel design of a 60-second timer piece * High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully. * It is fun to build and nice to look at when finished, it’s not only a PCB board for practicing welding, but also a decorative gift for you. * Comes with user manual, which will guide you how to finish step by step, perfect for school basic electronics experiment projects. * Operating voltage:DC5V