Train big movements such as kicking, stepping, looking up, and tumbling, and at the same time exercise your baby's fine movements such as hand grasping, so that your baby's intelligence will win at the starting line. Playing in the piano mode, pedaling the keys makes different sounds, cultivating the baby's sense of music from an early age. Listening to songs, music, recognition of objects and shapes, recognition of animal sounds, color recognition, easy learning when the baby is playing, and promoting brain development. Safe material, baby can rest assured to lie naked and play naked. 5 small shaking toys can sound different ringtones, all detachable, more convenient to carry out.