Good design is easy to use and understanding,is human-concerned design,is bring good use-experience.The design inspiration comes from life.We found problem that switch is not very convenient by used.We designed a new way of switch.This switch has two way of control.It consists of drop-down way and sliding way.The switch use rope drop-down way to solve the problem of children switch light.Meanwhile, sliding way use circular-button as control way ,as it make process of switch light full fun and easier to identify the direction of turn on and off .