Find Out How Big Machines Work
Illustrated by Mike Foster
How do cranes lift such heavy weights? What are caterpillar tracks and how do they work? How do helicopters hover? The answers to these questions and many more can be found in this fun and colourfully illustrated book. Take a look at a selection of big working machines that help us in our everyday lives. With clever analogies, children can learn how the different mechanical parts of diggers, rubbish trucks, submarines and many other machines work and what their functions are. The lively and informative text is packed with interesting facts and machine records.
