All fins on deck! Meet the colorful and cuddly plush Song Cubes based on the popular characters from Baby Shark's Big Show! Squeeze to play the Baby Shark's Big Show! Theme Song and sing along. Collect all 8 characters from Nickelodeon's animated preschool series: Baby Shark, Mommy Shark, Daddy Shark, William, Vola, Hank, Goldie and Chucks. These palm-sized plush dolls are perfect for grabbing and stacking for playtime at home or on-the-go. Requires 2x 1.5V “LR44 / AG13” button cell batteries (included). Batteries are replaceable. For boys and girls ages 2 and up.