These are the key Developmental Wonders that this product can encourage in your baby: Cognition The book's fun peek-a-boo elements teach baby about object permanence, supporting the development of cognitive skills. Gross Motor Skills The book's appealing design and various activities intrigue and interest baby to look and explore, helping extend tummy time. Tummy time strengthens neck and shoulder muscles and prepares your little one for the important milestones ahead. Fine motor skills As baby explores the book's textures and elements with hands and fingers, fine motor skills come into play. Language & Communication Reading the book together gives parents an opportunity to help expand baby's vocabulary in a fun, amusing way. Senses