Plane is at the airport preparing for a flight. Captain Koala and his co-pilot are expecting a very special passenger, the king and his family! Will Koala be able to help when the king leaves something very important behind? It's time to get busy with machines that race, vroom and zoom! This vibrant series is designed to excite playful pre-schoolers. Each story features a popular vehicle as the central character, and involves a group of animal characters in a supporting role. A detailed spread on different parts of the vehicle will help children tom understand what makes up the machines and help familiarise them with vehicle vocabulary and noises.