There is a playground Modern amusement rides

There is a playground Modern amusement rides, iron bars in spiral metal tube through, if you accidentally touch the metal wall of iron bars, lantern lights, bells will ring. After observed that this gaming device in addition to a small light bulb and bells, there are two batteries, and Carousel With Trailer bars and metal pipes can be seen as a switch, please put your picture in this circuit conjecture game device in the box (Schematic symbols are available in the bell - bell - said). And according to your guess schematic diagram of the physical map of the complete connection.