{"product_id":"casse-tete-mathematique-addition-des-anneaux-pour-atteindre-50","title":"Math Puzzle - Adding Rings to Reach 50","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cstyle\u003e\n.fp-body{font-family:sans-serif;color:#1a1a1a;line-height:1.7;font-size:15px;max-width:760px}\n.fp-body p{margin:0 0 1rem}.fp-body a{color:#185FA5;text-decoration:none}\n.fp-intro{font-size:15px;color:#333;margin-bottom:1.25rem;line-height:1.7}\n.fp-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:1.25rem 0}\n.fp-benefit{background:#f7f7f5;border-radius:8px;padding:.75rem 1rem;display:flex;align-items:flex-start;gap:10px}\n.fp-benefit .fb-icon{font-size:18px;flex-shrink:0}.fp-benefit .fb-text{font-size:13px;line-height:1.5}\n.fp-benefit .fb-title{font-weight:500;margin-bottom:2px}.fp-benefit .fb-desc{color:#666}\n.fp-design{background:#1a1a1a;border-radius:12px;padding:1.25rem 1.5rem;margin:1.25rem 0;display:flex;align-items:flex-start;gap:14px}\n.fp-design .fd-icon{font-size:28px;flex-shrink:0}.fp-design .fd-text{color:#fff;font-size:13px;line-height:1.6}\n.fp-design .fd-title{font-weight:600;font-size:14px;margin-bottom:5px;color:#FAC775}\n.fp-tip{background:#E1F5EE;border-left:4px solid #1D9E75;border-radius:0 8px 8px 0;padding:1rem 1.25rem;margin:1.25rem 0}\n.fp-tip p{margin:0;color:#04342C;font-size:13px}.fp-tip strong{color:#085041}\n.fp-warn{background:#FAECE7;border-left:44px solid #D85A30;border-radius:0 8px 8px 0;padding:1rem 1.25rem;margin:1.25rem 0}\n.fp-warn p{margin:0;color:#5C1A00;font-size:13px}\n.fp-specs{background:#f7f7f5;border-radius:10px;padding:1rem 1.25rem;margin:1.25rem 0;overflow-x:auto}\n.fp-specs table{width:100%;border-collapse:collapse;font-size:13px}\n.fp-specs td{padding:6px 8px;border-bottom:1px solid #e8e8e8}\n.fp-specs td:first-child{font-weight:500;color:#555;width:45%}\n.fp-specs tr:last-child td{border-bottom:none}\n.fp-gift{background:#fffdf7;border:1px solid #FAC775;border-radius:10px;padding:1rem 1.25rem;margin:1.25rem 0;font-size:13px;color:#412402}\n.fp-faq{margin:1.25rem 0}.fp-faq-item{border-bottom:1px solid #eee;padding:.9rem 0}\n.fp-faq-item:last-child{border-bottom:none}.fp-faq-q{font-size:14px;font-weight:500;margin-bottom:.4rem}\n.fp-faq-a{font-size:13px;color:#555;line-height:1.6}\n@media(max-width:480px){.fp-benefits{grid-template-columns:1fr}}\n\u003c\/style\u003e\n\u003cdiv class=\"fp-body\"\u003e\n\u003cp class=\"fp-intro\"\u003eThe \u003cstrong\u003ewooden math puzzle\u003c\/strong\u003e — \u003cstrong\u003e5 rotating rings\u003c\/strong\u003e, diameter \u003cstrong\u003e12.8 cm\u003c\/strong\u003e, natural wood. Objective: align the numbers in each column to obtain a \u003cstrong\u003esum of 50\u003c\/strong\u003e. Over \u003cstrong\u003e65,000 possible combinations\u003c\/strong\u003e, only one is correct. An educational tool and intellectual challenge — for ages 8 and up.\u003c\/p\u003e\n\n\u003cdiv class=\"fp-benefits\"\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🔢\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003eObjective: sum 50 per column\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eEach column of numbers must total exactly 50 — seemingly simple, but with 65,000 possible combinations and only one correct solution.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🔄\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003e5 independent rotating rings\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eEach ring rotates independently and exposes or hides the numbers on the lower ring — each rotation changes the set of visible values in each column.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🧩\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003e65,000 combinations — 1 solution\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eThe complexity is exponential — each ring movement interacts with the others. The unique solution requires logic, patience, and method.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🪵\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003eNatural wood — D12.8 cm\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eMade of quality natural wood, pleasant to the touch. Diameter 12.8 cm — compact and can be placed on a desk or shelf.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🧠\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003eStimulates logic and concentration\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eDevelops logical thinking, problem-solving, patience, and numerical skills — an educational tool disguised as a game.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-benefit\"\u003e\n\u003cspan class=\"fb-icon\"\u003e🎁\u003c\/span\u003e\u003cdiv class=\"fb-text\"\u003e\n\u003cdiv class=\"fb-title\"\u003eEducational gift for all ages\u003c\/div\u003e\n\u003cdiv class=\"fb-desc\"\u003eFor children aged 8 and up, adults, math enthusiasts, and puzzle lovers — a challenge that never gets old.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fp-design\"\u003e\n\u003cdiv class=\"fd-icon\"\u003e🔢\u003c\/div\u003e\n\u003cdiv class=\"fd-text\"\u003e\n\u003cdiv class=\"fd-title\"\u003eWooden math puzzle — 5 rings · D12.8 cm · sum 50 · 65,000 combinations\u003c\/div\u003e\nOn the surface, it's simple: turn the rings so that each column displays a sum of 50. In practice, each rotation of a ring simultaneously modifies several columns — and with 65,000 possible combinations for a single correct solution, brute force logic is not enough. It requires a method, patience, and the satisfaction of having overcome one of 65,000 dead ends before finding the right one. Made of natural wood, 12.8 cm in diameter — the puzzle that stays on the desk until you've solved it.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fp-specs\"\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNatural wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e12.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings\u003c\/td\u003e\n\u003ctd\u003e5 — rotating and independent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eSum of 50 in each column\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombinations\u003c\/td\u003e\n\u003ctd\u003eOver 65,000 — 1 single solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended age\u003c\/td\u003e\n\u003ctd\u003e8 years and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eShrink wrap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fp-tip\"\u003e\n\u003cp\u003e\u003cstrong\u003eTip for solving:\u003c\/strong\u003e start by fixing a reference ring (the central one, for example) and analyze the columns one by one. Note the visible values before each rotation to understand the impact of each movement. A systematic column-by-column approach is more effective than random trial-and-error — even if trial-and-error is part of the fun.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fp-warn\"\u003e\n\u003cp\u003e\u003cstrong\u003eHigh difficulty level:\u003c\/strong\u003e with over 65,000 possible combinations and only one correct solution, this puzzle is designed to be challenging. Don't get discouraged — solving it may take several sessions. This is precisely what makes it a memorable and satisfying challenge.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fp-gift\"\u003e\n🎁 \u003cstrong\u003eThe gift for logical minds:\u003c\/strong\u003e natural wood, D12.8 cm, 5 rings, 65,000 combinations. A \u003cstrong\u003eunique intellectual challenge\u003c\/strong\u003e for a \u003cstrong\u003ebirthday, Christmas, teacher gift or math lover's gift\u003c\/strong\u003e — for children aged 8 and up and adults who love puzzles.\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:500;margin:1.5rem 0 0.5rem;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"fp-faq\"\u003e\n\u003cdiv class=\"fp-faq-item\"\u003e\n\u003cdiv class=\"fp-faq-q\"\u003eHow does the puzzle work?\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-a\"\u003eThe puzzle consists of 5 independent stacked rotating rings. Each ring rotates freely and exposes or hides the numbers on the lower ring. The goal is to align the rings so that the sum of the numbers in each column is exactly 50. With over 65,000 possible combinations, only one configuration is correct.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-item\"\u003e\n\u003cdiv class=\"fp-faq-q\"\u003eIs it really difficult to solve?\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-a\"\u003eYes — it's a serious challenge. The difficulty comes from the fact that each rotation of a ring simultaneously modifies several columns, creating complex dependencies between values. With 65,000 possible combinations for a single solution, a methodical approach is necessary. Solving it can take several hours or several sessions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-item\"\u003e\n\u003cdiv class=\"fp-faq-q\"\u003eWhat is the recommended age to play?\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-a\"\u003eFrom 8 years old — but the complexity of the challenge is especially suitable for adults and children who are comfortable with mathematics. For younger children, free exploration of the rotating rings remains a fun and stimulating activity even without the goal of formal resolution.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-item\"\u003e\n\u003cdiv class=\"fp-faq-q\"\u003eIs there a unique or multiple solution?\u003c\/div\u003e\n\u003cdiv class=\"fp-faq-a\"\u003eThere is only one correct configuration among the 65,000 possible combinations — the one where all columns simultaneously display a sum of 50. It is this unique character of the solution that makes solving it so satisfying.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"How does the wooden math puzzle work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"5 independent rotating rings. Objective: sum of 50 in each column. Over 65,000 possible combinations, only one correct solution.\"}},\n{\"@type\":\"Question\",\"name\":\"Is it difficult to solve?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — each rotation modifies several columns simultaneously. 65,000 combinations for a single solution. Methodical approach necessary. Can take several hours.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the recommended age?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"From 8 years old. Complexity especially suited for adults and children comfortable with math. Free exploration of the rings remains fun for younger children.\"}},\n{\"@type\":\"Question\",\"name\":\"Unique or multiple solution?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only one correct configuration among 65,000 — all columns simultaneously sum to 50. It is this unique character that makes solving it memorable.\"}}\n]}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Atelier Atypique","offers":[{"title":"Default Title","offer_id":49423726412099,"sku":"1005005873299445-Default Title","price":34.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0231\/3365\/0991\/files\/S15a9dfc203084706873fa85d7d96b71bR.webp?v=1771645227","url":"https:\/\/atelierproatypique.com\/en\/products\/casse-tete-mathematique-addition-des-anneaux-pour-atteindre-50","provider":"Atelier Atypique","version":"1.0","type":"link"}