INTERACTIVE MUSCIAL INSTRUMENTS WALL uses several switches to control different instruments in a song. Press a certain switch and the corresponding instrument will start to join the ensemble, release a certain switch, and the corresponding instrument will exit the ensemble. Customers can specify songs and the number of musical instruments. The game can be completed by one person or in cooperation with multiple people. Received high praise from customers in music festivals and exhibitions, also known as "human body Bandleader"