An interactive book about fascinating vehicles with sounds and audio stories. Speed through the world of exciting vehicles! How do solar cars work? Why don't huge container ships sink? What happens in a concrete mixer? When will delivery drones bring our pizza? Little vehicle fans discover how they function, at what speed and power they can go, and what makes them unique. Eight double pages show insights into cars, race cars, trains, aircraft, and water vehicles on the latest technological level. Many sounds, eight audio stories, and a song make big and small vehicles come alive. What does a tractor do in a field? When does the fire truck arrive? How tall is a pony? The interactive series tiptoi Why? How? For what reason? answers important children's questions at their eye level. Detailed images are brought to life by numerous authentic sounds and narrative texts. The knowledge is explained age-appropriately and has been professionally reviewed. Thanks to simple and intuitive use with the tiptoi pen, children discover the content playfully on their own. They learn to understand connections and find out everything about their daily lives and environment. Additionally, there's an exciting audio story on every page that immerses children even deeper into the world of vehicles.