More than just a piano mat, this musical stepper can also play seven other instruments: vibraphone, oboe, trumpet, saxophone, banjo, violin and guitar! And each time you press a key, one note of the selected melody will play in the selected instrument effect. The selected melody and selected instrument can be changed at anytime by pressing the desired melody key and desired instrument keys. Plus, you can record up to 38 notes using any combination of instruments, then playback your composition with a touch of the button! Ten demo songs include “Twinkle Twinkle,” “Mary Had a Little Lamb,” “Oh! Susanna,” “Old MacDonald,” “Greensleeves” and more. Requires 4 “AA” batteries (not included). 70″L x 30-1/2″W x 2″H.