1. Rich and colorful， exercise baby's visual development. The eight tone piano piece is made of technical materials and is brightly colored， which helps babies distinguish colors.
2. Pure physics piano performance， no battery required， high cost-effectiveness， and endless fun.
3. Strike the hammer to exercise the baby's muscle development. Bottom knockout slot design for easy storage and not easy to lose
4. The piano keys play wonderful music， and the pleasant sound attracts the baby's curiosity.
5. All components are designed with rounded corners， giving a comfortable feeling and avoiding scratches and scratches from low-quality toys.
Material: Plastic characteristic: 1. Rich and colorful， exercise baby's visual development. The eight tone piano piece is made of technical materials and is brightly colored， which helps babies distinguish colors. 2. Pure physics piano performance， no battery required， high cost-effectiveness， and endless fun. 3. Strike the hammer to exercise the baby's muscle development.The bottom knockout slot is designed for easy storage and not easy to lose 4. The piano keys play wonderful music， and the pleasant sound attracts the baby's curiosity. 5. All components are designed with rounded corners， giving a comfortable feeling and avoiding scratches and scratches from low-quality toys.