Character rubber piano set roll up and put down this character rubber piano set to make some music choose from 8 instrument selections and play with 37 keys to make the perfect tune a auto power off function helps to save the batteries for fun another day when the mat is inactive easy buttons and instructions on the box make this toy easy to use straight out of the box insert 3 aa 15v batteries not included and you are away gifts and toys musical instrument roll up for easy c