Ba Yin Zhong is a music enlightenment toy suitable for children, with rich functions and characteristics. Ba Yin Zhong is an international standard scale instrument, with circular buttons at the top labeled with the corresponding sound names from C1 to C8 for easy identification and use. This instrument is suitable for children of all ages, whether they are young or slightly older, and can provide fun and benefits from it. For children, simply pressing a sound can bring a great sense of achievement, satisfying their natural love for percussion, while also providing good exercise for both gross and fine movements.