Noisy Peekaboo! These new additions to DK"s popular Peekaboo series are filled with sounds that will captivate and delight toddlers with a new noisy surprise after every turn of the page. Under the farm-themed flaps of Baa! Baa! toddlers will find five noisy toy animals, including a mooing cow, a neighing horse, and a rooster going cock-a-doodle-doo.