Pop-Up Peekaboo! By DK Children An interactive pop up book that inspires hands-on learning with the help of some incredible ocean habitats! Tactile elements and delightful imagery will encourage the development of motor skills and early learning. Bold, brightly colored pictures, lift-the-flap pages and entertaining rhymes, Pop up Peekaboo! Shark provides lots of opportunities for parent-and-child interaction and hours of animal entertainment. This interactive toddler book for 2 year olds helps teach young children object permanence, which is an important step in childhood development.