{"product_id":"9789464461046","title":"Birthday Calendar","description":"The layered and multi-hued patterns in this birthday calendar are based on a single shape punched out of coloured cardstock in multiple directions. The design was originally conceived by Karel Martens in 1968, but has remained unrealised until now.","brand":"IDEA BOOKS","offers":[{"title":"Default Title","offer_id":52848376119605,"sku":"9789464461046","price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/9023\/3653\/files\/bfc0a89b-273b-4e5a-a923-d33978e46362.jpg?v=1778238113","url":"https:\/\/librairiesanstitre.com\/products\/9789464461046","provider":"librairie sans titre","version":"1.0","type":"link"}