Color recognition, the cognition of different colors and shapes Hand-eye coordination, six-months-old babies can sit and play the hanging ring bell, which will train grasping capability and flexibility of babies small hands Promote muscle development, the three-month-old babies can lie down and tap on the piano keys as well as touch the pendant,which will promote of the muscle development of arms and legs Play A multifunctional piano fitness frame to accompany the baby more than 18 months The mat can be washed.The mat can be folded up with ease, making it compact enough to travel with, move from room to room, and even take outdoors.