No, musical instruments are mechanical devices that use mechanical vibration to produce music, and they are the key supporting products of various craft gifts and toys. Now it has been widely used in crafts, gift boxes, plastic toys, plush toys, resin art, ceramic art, glass art, wood products, jewelry boxes, lighting, holiday gifts, jewelry gifts, crystal balls and other fields. Eight-tone Qin, also known as "self-sounding Qin", belongs to a motorized eight-tone Qin instrument.