When was the wheel invented? How fast is a bullet train? What makes a car go? Find out in this interactive book with 100 questions and answers, and 70 lift-flaps to explore. Lift the flaps to look inside a car's engine, learn about farm machines, find out about aircraft, see the fastest vehicles, and take a closer at emergency vehicles, construction machinery and submarines.
【適讀程度】
Age Range: 3 - 5 years