From the rooster's cock-a-doodle-do to the crickets' nighttime song, little ones will enjoy a noisy day on the farm in Discovery: Moo, Quack, Baa! While reading the story and learning about a variety of farm animals, children are encouraged to press the 39 sound buttons to bring the farmyard to life. Press the buttons to hear ducks quacking, the tractor working in the field, pigs playing in the mud, and so much more.