{"product_id":"penrose-stairs-poster-impossible-staircase-optical-illusion-print","title":"Penrose Stairs Poster - Impossible Staircase Optical Illusion Print","description":"\u003ch2\u003ePenrose Stairs Poster\u003c\/h2\u003e\n\u003cp\u003eA square ring of big mustard steps on navy walls that climbs all the way round and still ends up where it started. A great talking point above a desk or on a stairwell wall.\u003c\/p\u003e\n\u003cp\u003ePart of our Impossible Objects set in the Poster Kingz Puzzle \u0026amp; Science range. The fact behind the art: The Penrose stairs, a staircase that seems to rise forever in a loop, were described by Lionel and Roger Penrose in the British Journal of Psychology in 1958. Every design is drawn in code from the real data, so the details are right, then printed in our modern palette of cream, navy, terracotta, mustard and teal.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExclusive Poster Kingz design\u003c\/li\u003e\n  \u003cli\u003eAvailable in A5, A4, A3 and A2 unframed sizes\u003c\/li\u003e\n  \u003cli\u003eAlso available framed in A5, A4 and A3, ready to hang straight out of the box\u003c\/li\u003e\n  \u003cli\u003ePrinted on premium quality paper stock\u003c\/li\u003e\n  \u003cli\u003eDesigned and printed in the UK by Poster Kingz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee the rest of the set in our \u003ca href=\"\/collections\/puzzle-posters\"\u003ePuzzle Posters\u003c\/a\u003e collection, or browse the whole \u003ca href=\"\/collections\/puzzle-science-posters\"\u003ePuzzle \u0026amp; Science Posters\u003c\/a\u003e range.\u003c\/p\u003e","brand":"Poster Kingz","offers":[{"title":"A5 (unframed) 5.8 × 8.3 in","offer_id":58255593013630,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true},{"title":"A4 (unframed) 8.3 × 11.7 in","offer_id":58255593046398,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true},{"title":"A3 (unframed) 11.7 × 16.5 in","offer_id":58255593079166,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true},{"title":"A2 (unframed) 16.5 × 23.4 in","offer_id":58255593111934,"sku":null,"price":22.99,"currency_code":"GBP","in_stock":true},{"title":"A5 Framed","offer_id":58255593144702,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"A4 Framed","offer_id":58255593177470,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"A3 Framed","offer_id":58255593210238,"sku":null,"price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/8989\/3410\/files\/penrose-stairs-poster-impossible-staircase-optical-illusion-print-1.jpg?v=1792269382","url":"https:\/\/posterkingzuk.com\/products\/penrose-stairs-poster-impossible-staircase-optical-illusion-print","provider":"Poster Kingz","version":"1.0","type":"link"}