Ditty Bird wants to lead your baby through a fantastic journey. Simply flit each high-contrast image and press the sound button on each page to listen to real-life animal sounds: ‘Moo’, ‘Baa’, "Hoo-Hoo," and much more. GOOD TO KNOW: When babies are first born, their eyesight is not fully developed, and they have trouble distinguishing between colors. Black and white images, on the other hand, provide a clear, high-contrast visual that is easy for babies to focus on and process. 6 Animal sounds include: -Cow "MOO" -Duck "QUACK" -Owl "HOO-HOO" -Elephant "TRUMPET" -Penguin "HONK" -Cat "MEOW" Babies need black-and-white visual stimulation! Black and white books are good for newborns to stimulate the development of the optic nerves. The engaging and Easy-to-press buttons help build early language ability and fine motor skills. * On/Off button for extended battery life & easily replaceable batteries * 3x type ag10 batteries are included in the book