The piano that makes music you can hear–and see! Press a key, hear a sound and watch a star pop up. Pretty soon, the colorful “star notes” will create a visual delight. You can alternate between musical notes and sound effects and remove the dome to allow baby to crawl after the bouncing stars. 3 AA batteries included. (9 x 11 x 5 ¾"h) From Patch Products Inc for ages 1-3 yrs.