{"product_id":"op-art-coloring-book-dover-design-coloring-books","title":"Op Art Coloring Book (Dover Design Coloring Books)","description":"\u003cp\u003eColor these 30 original designs to make the interlocking rings, cubes, and other shapes stand out. Some visual illusions will even seem to move back and forth.\u003c\/p\u003e","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":47728840442082,"sku":"MTO-DOVER-2026-04-23-2.25-549","price":25.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/9898\/5881\/files\/book_547_oFFnEdDmY0.jpg?v=1776946833","url":"https:\/\/layitflat.com\/en-ca\/products\/op-art-coloring-book-dover-design-coloring-books","provider":"Lay it Flat Publishing Group","version":"1.0","type":"link"}