What are levers? How do levers work? Do bicycles have levers? For the answers to these and many other questions, read `Levers'. See how scissors are actually two levers put together. Find out how your arm works like a lever.
This is Book 1 in the Young Explorer: Useful Machines Series. See all Young Explorer: Useful Machines books here.
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Chris Oxlade is an experienced author of non-fiction books for children. He has written more than 200 titles on science, technology, sports and hobbies, from encyclopedia articles to fun activity books.
More about Chris Oxlade
The second book in a fabulous new magical, middle-grade series filled with adventure, wonder and wildness,
