{ "item_title" : "How Big Machines Actually Work", "item_author" : [" Ethan Cole "], "item_description" : "What if the machines your child sees every day suddenly started making sense?How Big Machines Actually Work helps curious kids ages 6-12 understand the science and engineering behind vehicles, construction equipment, and everyday machines through clear, engaging explanations.With 50 fascinating engineering facts, young readers discover not only what machines do, but why they work the way they do.Inside this book, kids will discover: - How excavators, trucks, cranes, trains, and elevators work- How engines create movement- How gears change speed and force- How hydraulics lift heavy loads- Why some machines use tracks instead of tires- How brakes, motors, and mechanical systems work together- How force, energy, pressure, and friction appear in real machinesThe book introduces real engineering ideas without overwhelming young readers with unnecessary jargon. It is designed to make STEM learning feel exciting, practical, and easy to understand.Perfect for curious kids, young builders, homeschool learners, classroom enrichment, birthdays, holidays, and educational gifts.If your child loves machines, vehicles, construction equipment, science, technology, or discovering how things work, this book gives them a rewarding way to explore the engineering hidden all around them.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/819/273/9798192735503_b.jpg", "price_data" : { "retail_price" : "15.00", "online_price" : "15.00", "our_price" : "15.00", "club_price" : "15.00", "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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