【Constellation icon】 This is a constellation DIY welding small board, each board represents a different constellation, you can choose your favorite constellation for welding, the LED welding completed and inserted into the battery will light up to form a constellation diagram, very interesting. 【Dual mode】 The first gear is always shining, and the second gear is flashing 【Creative gift】 Constellation pcb board is mini and convenient, there are small holes on the board can be hung, and can be used as decoration. It's so cool, you can also be used as a holiday gift can be given to family or friends, it will be a meaningful and special gift 【Easy operation】 You need to soldering and assemble by yourself, and the circuit design is simple, even beginners can easily successfully weld. 【Wide application】 It's suitable for DIY production, project design, welding skills training, holiday gifts, etc.