This is an authentic piano toy that is popular now. A piano toy with 37 keys that can be played with both hands. It is folded, so please unfold it to use. The size is 8.7 x 18.9 inches (22 You can enjoy 3 different tones: piano sounds, musical sounds, musical music boxes. This is an excellent product that can also be changed to the tempoya volume. It also has a built-in 50 songs (with sheet music), so it is useful for practicing performances. They are incorporated in a wide range of ways, from Bayer to Classic Nursery Rhymes and popular songs. Each song is a card type for each song, so you can set it to the main unit for each song. The color of the score is included with the dremifer, so it is easy to read and easy to see. It also makes a great birthday celebration or gift. Material = Polypropylene, others Size: Unfolded 8.7 x 9.4 inches (22 x 24 cm), Folded: 8.7 x 9.4 inches (22 x 24 cm), Uses 3 AA batteries, First Time Set