{ "item_title" : "Makerspace Projects for Building Simple Machines", "item_author" : [" Brooks Butler Hays "], "item_description" : "Simple machines are the building blocks of numerous engineering wonders. Developed centuries ago, simple machines are still helping humans redirect and magnify force today. Levers, pulleys, wheels, wings, rotors and more have helped humans span the globe, scale mountains, sail the seas, bridge mighty rivers, and take to the skies. With this volume, readers will learn how different simple machines offer different mechanical advantages, as well as how they can combine to form complex machines capable of more complicated tasks. Step-by-step instructions will help young makers construct three different simple machines that can be used to solve problems and make work easier, just as they were used thousands of years ago.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/72/531/168/1725311682_b.jpg", "price_data" : { "retail_price" : "33.93", "online_price" : "33.93", "our_price" : "33.93", "club_price" : "33.93", "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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