Pulleys help make up some of the most complicated machinery, from car engines to cranes. See up-close the different pulleys that help us move things and get us moving. Kids will love this wonderful look at pulleys, especially the fun with pulleys section.
Kids will love this hilarious fairy tale adventure packed with clever twists, familiar characters and page-turning fun.
The second book in a fabulous new magical, middle-grade series filled with adventure, wonder and wildness,
This is Book 11 in the Simple Machines Series. See all Simple Machines books here.
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