{ "item_title" : "Levers at Work", "item_author" : [" Maggie S. Wesley "], "item_description" : "From playing on a seesaw to swinging a baseball bat, levers are a simple machine that can be found everywhere. However, it may not be easy for readers to know exactly how these common devices work. This book is here to help with captivating full-color photographs, including a gallery of familiar objects that use levers. Readers learn through concepts aligned with elementary STEM curricula that levers consist of a plank that pivots on a fulcrum and there are three classes. Approachable text and relatable examples will help readers grasp ways to recognize and use these important mechanisms in their daily lives.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/97/852/084/1978520840_b.jpg", "price_data" : { "retail_price" : "31.27", "online_price" : "31.27", "our_price" : "31.27", "club_price" : "31.27", "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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