The Wheels on the Bus - Animal Sounds Song - all-time favorite nursery rhyme is getting a new life with Dave and Ava Baby Songs! Dave and Ava is a series of 3D animated nursery rhymes especially for young children, ages 1-4. Each episode features a toddler boy and a toddler girl dressed as a puppy and a kitten, and their animal friends. Our nursery rhymes teach little ones ABCs, numbers, shapes, colors, parts of the body and more!