Baby Shark & William are made of soft, cuddly plush with two interactive ways to play for fin-tastic fun. Press Baby Shark’s right fin to dance and sing along to the Baby Shark’s Big Show! theme song as he swings and wiggles his tail.Listen for silly sounds and jaw-some reactions when William gives Baby Shark a “high-fin!â€‌ Encourages pretend play and helps kids develop imagination, sensory skills, and gross & fine motor skills.