{"product_id":"optical-illusions-visual-oddities-ii-playing-cards","title":"Optical Illusions \u0026 Visual Oddities II Playing Cards","description":"\u003cp\u003e\u003cstrong\u003eGive your eyes—and your assumptions—a workout with Optical Illusions \u0026amp; Visual Oddities II.\u003c\/strong\u003e This colorful playing-card deck combines familiar suits and indices with 55 visual puzzles designed to challenge perception.\u003c\/p\u003e\n\u003cp\u003ePatterns appear to bend, columns seem to change shape, colors shift position, and simple drawings create structures that could not exist in the real world. Short prompts printed on the cards invite you to tilt, turn, study, and reconsider each image.\u003c\/p\u003e\n\u003cp\u003eAn accompanying instruction booklet by J. R. Block, PhD explains the illusions and the visual principles behind them. Use the cards for play, pass them around at a gathering, or explore them one at a time as a compact collection of visual curiosities.\u003c\/p\u003e\n\u003ch2\u003eWhy You’ll Like It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePresents 55 optical illusions and visual oddities in color\u003c\/li\u003e\n\u003cli\u003eIncludes an explanatory booklet by J. R. Block, PhD\u003c\/li\u003e\n\u003cli\u003eFeatures standard suits and corner indices\u003c\/li\u003e\n\u003cli\u003eIncludes viewing prompts directly on many cards\u003c\/li\u003e\n\u003cli\u003eIdeal for puzzle enthusiasts, classrooms, travel, and family activities\u003c\/li\u003e\n\u003cli\u003eA companion deck for collectors of optical-illusion cards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne Optical Illusions \u0026amp; Visual Oddities II playing-card deck\u003c\/li\u003e\n\u003cli\u003eInstruction and explanation booklet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003ePublisher\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eU.S. Games Systems, Inc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eProduct\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eOptical Illusions \u0026amp; Visual Oddities II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eTheme\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eOptical illusions, perception, and visual puzzles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eNumber of Illusions\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eIncluded Booklet\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eExplanation booklet by J. R. Block, PhD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eCard Size\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.5 x 3.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eLanguage\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eAuthor\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eJ. R. Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003ePublisher SKU\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIV255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eISBN\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e978-1-57281-701-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border: 1px solid #ddd;\"\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"U.S. Games Systems Inc.","offers":[{"title":"Default Title","offer_id":47691223138494,"sku":null,"price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/8443\/1806\/files\/488ecff00a6696ed621caaf4c0c88201d043b3522b1b27e5300aab7aee5486ae.webp?v=1781984370","url":"https:\/\/classicdecks.com\/products\/optical-illusions-visual-oddities-ii-playing-cards","provider":"ClassicDecks","version":"1.0","type":"link"}