• percussion instrument--sounds very melodious when you , and each piece of voice is different,xylophone
• Musical instrument --this product can accompany and increase parent- interaction,xylophone
• Xylophone --this product can be given as a great your friends and families, they will ,eight-tone knock on the piano
• Knock on the piano--crawling, interest training, parent- communication, emotion, sensory, intelligence development, hands-on brain, hearing, interactive , grasping, hand-eye coordination, other ability training, vision,xylophone
• Eight-tone knock on the piano--lovely design with bright colors will attract attention and their recognition ability,xylophone