{"product_id":"9781402796128","title":"Spectacular Spirals: Make Dozens of Beautiful Designs","description":"\u003cbr\u003ePop 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.\u003cp\u003e \u003cbr\u003eKit includes: \u003cbr\u003e- 56-page paperback\u003cbr\u003e- 2 pens\u003cbr\u003e- 2 spiral templates\u003cbr\u003e- 3 plastic gears to make hundreds of different designs\u003c\/p\u003e","brand":"Sterling Innovation","offers":[{"title":"Default Title","offer_id":47026740330736,"sku":"9781402796128","price":12.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781402796128_p0.jpg?v=1763768986","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781402796128","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}