Electronic LED Flashing Lights Soldering Practice Board PCB DIY Kit

1.This is a beautiful exploding water LED that 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. 2.The LED light flows from the inside to the outside, the speed of the LED flow can be adjusted to meet various demands. 3.High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully.