Kids can touch this piano keyboard mat with hand or foot to make a sound, and dance with friends, which can exercise children's ability of coordination.Features:- Tightly press or step on different buttons, the kids piano can makes different kinds of sounds or music and shining- Adopting intelligent electronic chips, it will be to enter a state of energy saving automatically after idle 2 minutes- Music sound reward kid's natural kicking and touching- Children can hands touch, also can use feet to kick up- Note: Infants and toddlers need to be watched by parents to avoid falling while playing the piano matAttention:1). Please use the 1.5V AAA non-rechargeable batteries.2). Please DO NOT use disssfferent types of batteries or mixed old and new batteries simultaneously.3). DO NOT use this piano mat near the high temperature environment.4). Please remove the batteries from musical piano mat if it not in use for a long time.FAQ:1. Not work? -- Please install 3 x 1.5V AA non-chargeable batteries, and then turn on the power switch on the upside of piano speaker.2. Volume too loud? -- Advise rotate the volume button, rotate up will turn the volume down.