We are working on an electrical circuits kit. We need a lot of electricity to make things ‘work’ every day. How can we save more electricity?
式宏十萬伏特 已完結
把步行或做運動時所產生的動能，轉為電能後儲存在CREG BOX內，為其他電子產品或電器供電。 CREG: Cycling or Running for Electricity Generation
