Material:   Plastic<br />Function: music / sound<br />color:red and yellow， Random Color!!<br />For ages 0-3 years old， 3-7 years old<br /><br />size: 18.3 * 5.5CM<br /><br />Power: two  Battery  (not include in the set， pls understand)<br />package include :  1 pcs music piano toys