There are over 1.4 billion cars in the world today. This common form of transportation is used by many to get from place to place, but few really understand how cars work. From the engine block to the exhaust, young readers will take a step onto the assembly line and hop right into a car's exciting journey. Full-color photographs bring the process to life in vivid detail, and a step-by-step guide explains how readers can build their own model car!