In the early 1900s, New York City had to remove 1800 tonnes of horse manure from the streets each day. Cars were rare. You had to be wealthy to afford a car. But Henry Ford had a dream. He wanted to make a car that almost anyone could afford to buy, almost anyone could drive, and that was so simple that almost anyone could repair it. Ford fulfilled his dream. Assembly Lines tell you how. It tells the story of the world's first car assembly line.