How Things Work

Have you ever wondered just what happens when you flush a toilet, or what goes on inside a light bulb? yw) Do you want to know how a digger scoops up soil, why boats float and what keeps planes up in the air? Lift the flaps to see inside how things work — from everyday inventions to massive machines. Find out about other Usborne titles at Printed in Heshan, Guangdong, China. Made with paper from a sustainable source.