In a street square in Germany, there is a super giant music box. As long as you like, you can run over and shake the joystick to have an impromptu music performance, but the shaking is so Large rockers may require some effort.
This giant music box is composed of real guitars, keyboards, jazz drums and multiple sets of transmission devices. There are colorful neon lights on the top. A huge glass cover covers various musical instruments. The various intricate transmission bars and gears inside are clearly visible. . It has two modes of playing, capable of playing two different types of musicals, and passers-by can play them at will.
The valuable thing about the giant music box is that it uses real musical instruments. It uses complex transmission devices to control the strumming and scales of the guitar, and also controls the performance of the keyboard, jazz drums and forks. The designer must not only understand the musical instrument You also need to have a certain mechanical foundation.