{ "item_title" : "Cardboard Box Engineering", "item_author" : [" "], "item_description" : "This illuminating guidebook will help young tinkerers and makers find creative ways to use cardboard boxes, sheets, and tubes in easily-engineered projects, including awesome gadgets, toys, games, inventions, and sculptures. Cardboard is everywhere! For creative kids aged 9 to 14, it’s the perfect eco-friendly building material, and Cardboard Box Engineering is the perfect guide to get them started on inventive tinkering. A working kaleidoscope, a marble roller coaster, a robotic hand, and a wind-powered tractor with cardboard gears are just some of the ingenious projects developed by Jonathan Adolph, author of the best-selling Mason Jar Science. Working with simple household tools, kids can follow the step-by-step photographic instructions to exercise their design smarts, expand their 3-D thinking, and learn the basics of physics and engineering with activities that have real-life applications.", "item_img_path" : "https://covers2.booksamillion.com/covers2/ebook/57/21/9781635862157_b.jpg", "price_data" : { "retail_price" : "11.99", "our_price" : "11.99", "club_price" : "11.99", "savings_pct" : "0", "savings_amt" : "0.00", "discount_pct" : "10", "club_savings_amt" : "0", "club_savings_pct" : "0" } }

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