Description: This is a transportation book created by British children's book brand Usborne for "little car fans" aged 1-4 years old. Flip, pull and experience the control of 6 vehicles, learn about their internal structure, working principle and their big role in life. With the theme of children's favorite helicopters, this book takes children to unveil helicopters and learn about their internal structure, as well as the principles of take-off and landing in an easy-to-understand way. By recreating the whole process of a helicopter rescue, children will appreciate the important role of helicopters in our lives. Irregular flip pages increase the fun of reading, and small hands turn them over to stimulate the desire to explore and exercise hand muscle development.