{ "item_title" : "How Elevators Work for Kids", "item_author" : [" Khasan Laudrry "], "item_description" : "Ever wondered what's really happening when the doors close and the floor starts moving? Inside this book, your child will discover the fascinating science and engineering behind one of the most-used machines in the world - the elevator. From the cables that hold the car to the motors that move it, every chapter breaks down a big idea into language children can actually understand. What your child will learn: What an elevator is and why we need them in tall buildingsHow cables and pulleys work together to lift heavy loadsWhat the motor does and how controls send the car to the right floorThe clever safety systems that keep riders protected every single timeDifferent types of lifting machines and how they compareThe history of the elevator and the inventor who changed city life foreverHow escalators work and how they differ from elevatorsWhat future elevators might look like - including sideways-moving carsWho this is for: This book is written for children ages 6-12 who love asking questions about how things work. It is a strong choice for STEM-curious kids, early independent readers, classroom read-alouds, and homeschool science units covering simple machines, forces, and engineering design. Parents and educators looking for nonfiction that builds real scientific vocabulary while keeping children genuinely engaged will find this book earns its place on the shelf - and gets picked up again. Add it to your cart and give your child the answer to a question they have asked a hundred times.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/3/69/083/968/3690839688_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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