{"product_id":"spectacular-spirals-9781402796128b","title":"Spectacular Spirals","description":"Pop a pen into a gear, move it around a template, and you've got a spectacular spiral! The three gears and two templates that come with this innovative kit allow you to generate hundreds of colorful, eye-catching designs, while the accompanying book explains the fascinating yet easy-to-grasp mathematics governing the appearance of spirals in art and nature. Kit includes: 56-page paperback; 2 pens; 2 spiral templates; 3 plastic gears to make hundreds of different designs.","brand":"Sterling Publishing","offers":[{"title":"Bargain","offer_id":42821010849872,"sku":"9781402796128B","price":7.49,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8173\/5760\/files\/9781402796128-l.jpg?v=1785881992","url":"https:\/\/bookoutlet.com\/en-ca\/products\/spectacular-spirals-9781402796128b","provider":"Book Outlet","version":"1.0","type":"link"}