Age: Suitable for children over 3 years of age. Volume: The volume can be adjusted to suit your needs. Toy: Get this kids musical piano mat! Size: A big floor piano mat, 100cm x 35cm. Eight melodies: Choose from eight melodies and eight animal sounds when stepping on the piano keys. A great, creative toy for children who are developing their walking abilities! Batteries: 2 x AA batteries. Kids Musical Piano Mat | Living Social