{"product_id":"50-optical-illusions-9781836050391","title":"50 Optical Illusions","description":"Fifty mind-bending illusions to surprise your eyes. An optical illusion on each page is accompanied by text explaining how the illusion works in tricking you. You'll also have the chance to create your own version of the image by shading or adding lines, helping you understand how the illusion works. Full color throughout.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Usborne Books\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/06\/2025\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781836050391\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 112\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.65lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 7.78h x 5.12w x 0.35d","brand":"Sam Taplin","offers":[{"title":"Default Title","offer_id":45187061743797,"sku":"9781836050391","price":5.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/files\/img_888d5fbc-52f5-4aca-9b36-dbfa792a8b50.jpg?v=1742271246","url":"https:\/\/pastforward.org\/products\/50-optical-illusions-9781836050391","provider":"Past Forward","version":"1.0","type":"link"}