Make giant music! Play the Xylophone, accordion or the guitar on this Gigantic Piano Playmat. With real musical keys, you can play your own musical tunes! There are 4 Modes to select and up to 8 different instruments to play on the mat. Children will love to make up tunes and play on this huge piano mat. The Mat size is approximately 71 x 29 ” and features adjustable volume and automatic Power Off system.Requires 4 x AA batteries (not included).