The Big Mouth singers Piano offers lots of fun with 4 silly "singing" pals and 9 delightful songs. Press a piano key to see one of the wacky pals open their mouth and hear a sound. Press a second key, and another friend joins in the sing-a-long. The singing pals always stay put, so there are no lost pieces. Ages: 1+ years
https://www.manualshelf.com/manual/playskool/06163/hasbro-big-mouth-singers-instructions.html