With every lift of the six over-sized flaps, babies get to show off their understanding of words and actions and expand their memory. The book encourages small children to get physical by imitating the behaviour of the baby on the page.With every lift of the six over-sized flaps, babies get to show off their understanding of words and actions and expand their memory. The book encourages small children to get physical by imitating the behaviour of the baby on the page.