When the pages are opened, sounds are activated to accompany the large pop-ups for even more fun as children learn about the farm. They meet a crowing rooster, a mooing cow, a baaing sheep and a neighing horse.When the pages are opened, sounds are activated to accompany the large pop-ups for even more fun as children learn about the farm. They meet a crowing rooster, a mooing cow, a baaing sheep and a neighing horse.