{"product_id":"9781435123472","title":"Tabletop Catapult: Build Your Own Siege Engine!","description":"\u003cp\u003eImagine yourself as a military commander preparing to attack a castle or fort back in the days before gunpowder was invented. Faced with tall, seemingly impenetrable walls protecting a well-armed enemy, you would have one powerful weapon at your disposal: catapults. These remarkably engineered mechanical devices were the artillery of the pre-modern world, built for hurling heavy missiles with devastating force over or directly at castle walls. Now with this handy and illuminating kit, you can construct your own tabletop version of these catapults, designed for display and envisioning those incredible days of yore.\u003c\/p\u003e\u003cp\u003e\u003cb\u003e\u003c\/b\u003e \u003c\/p\u003e\u003cp\u003eIncludes: \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWilliam Gurstelle’s book \u003ci\u003eThe Art of the Catapult\u003c\/i\u003e, which describes the history of siege warfare engines, the complex math and science behind them, and several projects for building your very own thing-flinging devices  \u003c\/li\u003e\n\u003cli\u003eA kit for building your own precisely engineered and historically accurate catapult\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sterling Innovation","offers":[{"title":"Default Title","offer_id":47026028314864,"sku":"9781435123472","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781435123472_p0.jpg?v=1763785020","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781435123472","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}