All Fins On Deck for a Baby Shark Karaoke! Sing along with your kids to the theme song. Turn the song on and off with one squeeze. Ages 2 and up This palm-sized Daddy Shark plush doll measures approximately 3" x 3.5" x 3.5" Requires 2 1.5V LR44/AG13 button cell batteries. *** New batteries were put in on 3/9/25.***