{ "item_title" : "How Cranes and Diggers Work for Kids", "item_author" : [" Khasan Laudry "], "item_description" : "Ever wondered how a crane lifts something heavier than a house - or how a digger scoops through solid earth? This fact-packed nonfiction guide pulls back the curtain on two of the most powerful machines on the planet, explaining exactly how they work in clear, simple language any young reader can follow.What cranes and excavators are and why construction sites need themHow cranes lift massive loads using cables, pulleys, and counterweightsHow diggers use hydraulic power to push, pull, and scoopThe different types of construction machines and what each one doesWhat a real building site looks like and how workers stay safeWho invented these incredible machines and how they evolvedWhat tomorrow's construction machines might look likeInside every chapter, young readers will find: Age-appropriate explanations of real engineering and STEM conceptsLabeled machine parts and how-it-works breakdownsFun facts about hydraulics, load limits, and mechanical powerA look at careers, safety rules, and the future of construction technologyThis guide is ideal for curious children ages 4-9, beginning readers ready to explore nonfiction, and any child fascinated by construction vehicles, big machines, or how everyday technology works. It pairs naturally with early STEM learning at home or in the classroom. Parents and educators love this title as a hands-on complement to science units on simple machines, forces, and engineering design. If your child can't stop watching cranes swing or excavators dig at a construction site, this is the guide that finally explains why - and how.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/3/69/083/616/3690836166_b.jpg", "price_data" : { "retail_price" : "12.99", "online_price" : "12.99", "our_price" : "12.99", "club_price" : "12.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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