The Little Baby Bum Buster's Car Wash Puzzle is an awesome way to spark kids' curiosity. This chunky, wooden puzzle is designed so that the pieces fit easily into toddlers' hands. It also plays "The Wheels on the Bus" and makes different car sounds as each of the 5 puzzle pieces clicks into place. The Buster's Car Wash Puzzle is a great way to teach kids about problem solving, matching, car sounds, and more preschool skills. Play and learn 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 available on all your favorite streaming services like Amazon Prime Video and Netflix, and are enjoyed all over the world.