Square Island LLC Animated Musical, Singing, Lighted Frosty the Snowman & Dog Display. Press the button on the base and Frosty will start singing "White Christmas" while his head turns back and forth. Sometime during the song, the dog lifts his back leg and a yellow light appear near Frosty's bottom. Frosty starts to comment on it......hilarious! See video in description to watch how display works.