End to end characteristics

-color recognition, cognition of different colors and shapes;

- play a multi-function piano fitness frame for the baby, accompany the baby for more than 18 months

- promote muscle development. Three-month-old babies can lie down, tap the piano keys and touch the pendant to promote the development of arm and leg muscles;

- hand-eye coordination, the 6-month-old baby can sit and play with the hanging bell, to exercise the grasping ability and flexibility of the baby's small hands;

- tooth development, hanging ring bell can be removed to play, baby can also bite on the ring bell gum, promote the development of baby teeth- auditory development. When a baby hits a piano key, it produces different music, which stimulates the baby's