{"product_id":"vace9098157-knex-roller-coaster-building-set-toy-plastic-546-pc","title":"K'Nex Roller Coaster Building Set Toy 546 pc","description":"\u003cp\u003eExplore STEM concepts while building a working Roller Coaster! Using the materials included in this set, middle-school aged children will be engaged and energized as they further their knowledge and understanding of the science, technology, engineering and math concepts associated with a real-life amusement park ride. The set includes over 500 parts plus a battery-powered motor for a single child or team of 2-3 children to build a working Roller Coaster, plus 2 additional models: a Ramp and a Half-Pipe (each model can be built one at a time). Once built, a downloadable booklet guides students through 3 hands-on, inquiry-based experiments on each of the models. The Experiment Guide is aligned to national STEM standards and is appropriate for grade levels 5-9. Requires 2 'AA' batteries, not included.\u003c\/p\u003e\u003cbr\u003eUPC: 744476770783\u003cbr\u003eModel Number: KNX 77078","brand":"K'Nex","offers":[{"title":"Default Title","offer_id":48196301455658,"sku":"MACE9098157","price":37.76,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/6332\/2154\/files\/9098157_A.eps_High.jpg?v=1764687621","url":"https:\/\/mrosupreme.com\/products\/vace9098157-knex-roller-coaster-building-set-toy-plastic-546-pc","provider":"Mrosupreme.com","version":"1.0","type":"link"}