DIY Game Kit Retro Classic Electronic Soldering Kit Tetris Snake Plane Racing with Casing

Features:
Comes with four games of the 51 single-chip game, enough to be strong.
Comes with a buzzer, with a game background sound, blue PCB is more beautiful, luxury and classic.
As a gift is very appropriate.
Right at the upper apex of the digital tube real-time score to see how many points you can get.
Multiple power supply methods: support USB cable power supply, support battery power supply (battery is not included).
Functions: Tetris, Snake, Racing, Plane, brightness adjustable, sound can be switched on and off.