{"product_id":"9781783122684","title":"Roller Coaster Marble Run","description":"\u003cbr\u003e\u003cb\u003eGet ready for fun with this easy-to-build marble run that’s over two feet tall!\u003c\/b\u003e Let the races begin, with this amazing marble run roller coaster! It’s so simple to build: just press out the model pieces, assemble the marble run using glue or adhesive tape, and you’re ready to go. The track has a switcher and two funnels—plus a gravity-defying loop-the-loop, fun steps, and amazing slopes—so the winning marble will always be a surprise. The base of the book becomes a secure stand for your model, and you get easy-to-understand explanations of the physics and engineering involved.","brand":"Carlton Books","offers":[{"title":"Default Title","offer_id":47042796552432,"sku":"9781783122684","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781783122684_p0.jpg?v=1763722784","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781783122684","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}