Hallmark 2012 Christmas KID3153 Movin' To Your Music Frog Plush frog rocks out to music and moves up and down on amp Fun frog jams to radios, MP3 players, computers and more! The back of amp has on/off switch and a place to plug in optional AC adapter Uses 3 "AA" Batteries Included Measures: 6" x 5" x 7"