The Little Baby Bum Musical Racers by Little Tikes combines music and vehicle play in one toy! Now available in a 2 pack: Buster the Bus and Terry the tractor. Buster the Bus sings the popular Little Baby Bum version of the "Wheels on the Bus" nursery rhyme. Terry the Tractor plays an exclusive, original Little Baby Bum™ song. These songs introduce kids to rhyming, music and the world around them. The Buster the Bus Musical Racer and Terry the Tractor Musical Racer are great for vehicle play on the rug or floor, and wobbles and plays music as it rolls. You and your child can sing and play together with Little Baby Bum and Little Tikes. Little Baby Bum is the home of the world's most beloved nursery rhymes with over 50 million subscribers on YouTube worldwide! Their videos have been watched over 23 billion times on YouTube alone, are on most popular streaming services, like Amazon Prime Video and Netflix, and are enjoyed all over the world.