{"title":"Advanced","description":"\u003cp\u003eThese puzzles can be difficult even for advanced puzzle solvers. Check out the descriptions for details on difficulty. Some, like the 4-Color Infinity, may be impossible to solve by intuition alone, and require formal algorithmic analysis.\u003c\/p\u003e","products":[{"product_id":"taurus-4","title":"The Taurus (4-Color)","description":"\u003cp\u003eThe Taurus (4-Color) is an advanced mechanical puzzle built around a fascinating 3D mechanism. Three interwoven bead tracks pass through a rotating core, forming two independent loops where four different colors must ultimately be sorted into groups.\u003cbr\u003e\u003cbr\u003eScramble and solve by cycling the beads through the loops and rotating the central rotor. Moves that improve one section often disrupt another, making careful planning and spatial reasoning essential.\u003cbr\u003e\u003cbr\u003eThe mechanism is smooth, tactile, and precise, with a satisfying snap as the rotor aligns and the beads glide through the tracks. It’s equally enjoyable as a serious brain teaser or as a focused, hands-on fidget.\u003cbr\u003e\u003cbr\u003eBecause the puzzle uses four bead colors interacting across two loops, the number of possible states is enormous. Even the standard solution requires sustained focus and careful thinking. Alternate solutions, such as alternating colors in both tracks, are expected to be possible but not yet confirmed.\u003cbr\u003e\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49728438435980,"sku":"TAUR4","price":33.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.7791378688_iui1.jpg?v=1778526866"},{"product_id":"triad","title":"The Triad","description":"\u003cp\u003eThe Triad is a highly challenging mechanical puzzle built around a striking three-way symmetry. Three curved bead tracks radiate from a central rotating core, and will confound all but the most advanced twisty puzzle enthusiasts!\u003cbr\u003e\u003cbr\u003eProgress in one direction often disrupts another, forcing you to carefully plan your moves while managing the interactions between all three tracks.\u003c\/p\u003e\n\u003cp\u003eThis puzzle is essentially a \"triple-Pretzel\". It's like trying to solve 3 Pretzel puzzles at once!\u003c\/p\u003e\n\u003cp\u003eThe mechanism is smooth and tactile, with beads that glide through the tracks and a rotor that snaps cleanly into alignment. Whether you are actively solving it or simply cycling the beads, the motion is satisfying and highly engaging.\u003cbr\u003e\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49728438927500,"sku":"TRIAD","price":33.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.7865067827_b2f8.jpg?v=1778526869"},{"product_id":"infinity-3","title":"The Infinity (3-Color)","description":"\u003cp\u003eThe Infinity (3-Color) is an advanced-level mechanical puzzle with a satisfying tactile snap. Cycle the beads through the track and rotate the colored wheel to group the beads together — be warned, this puzzle is highly constrained: every move affects the entire loop. \u003cbr\u003e\u003cbr\u003eThis puzzle is excellent for building focus and problem-solving skills. Scrambling is oddly satisfying: the mechanism snaps into place cleanly, and the beads roll smoothly through the track.\u003cbr\u003e\u003cbr\u003eThe perfect desk gadget or travel toy for an advanced problem solving mind, and a great gift for any puzzle lover or math\/STEM fan.\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49728439025804,"sku":"INF3","price":30.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.7865062237_kigl.jpg?v=1778526872"},{"product_id":"infinity-4","title":"The Infinity (4-Color)","description":"\u003cp\u003eThe Infinity (4-Color) is the hardest mechanical puzzle in the collection, designed for serious puzzle enthusiasts who want a true hands-on challenge.\u003c\/p\u003e\n\u003cp\u003eEvery move affects the entire system — improving one color often disrupts another — forcing careful planning, pattern recognition, and multi-step reasoning.\u003c\/p\u003e\n\u003cp\u003eThe puzzle features smooth, tactile rotational movement and a tightly coupled track system that rewards precise, deliberate manipulation. Each solve state feels unstable, requiring constant adjustment and forward thinking.\u003c\/p\u003e\n\u003cp\u003eBuilt for engineers, programmers, architects, and anyone who enjoys deeply technical problem-solving, it works as both a focus tool and a highly engaging desk puzzle for sustained play.\u003cbr\u003e\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49728439419020,"sku":"INF4","price":30.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.7851355339_e4uf.jpg?v=1778526880"},{"product_id":"delta-4","title":"The Delta (4-Color)","description":"\u003cp\u003eThe Delta (with 4 colors) is an extremely challenging and uniquely satisfying mechanical brainteaser. It features the same tactile, satisfying action as my other designs — but with a completely new twist. Depending on the position of the rotating core, the puzzle transforms between a single continuous track and two separate tracks. Planning your moves becomes a true mental exercise as you work to untangle and sort the colors.\u003c\/p\u003e\n\u003cp\u003eCycle the beads through the single or double tracks, and rotate the colored dial to scramble or solve.\u003c\/p\u003e\n\u003cp\u003eDesigned to sharpen focus, spatial reasoning, and sequential problem-solving skills, The Delta makes a perfect gift for engineers, programmers, mathematicians, and anyone who enjoys deeply satisfying technical challenges.\u003cbr\u003e\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49933072597132,"sku":"DEL4","price":32.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.8028218886_is10.jpg?v=1778993349"},{"product_id":"delta-3","title":"The Delta (3-Color)","description":"\u003cp\u003eThe Delta (with 3 colors) is a highly challenging and uniquely satisfying mechanical brainteaser. It features the same tactile, satisfying action as my other designs — but with a completely new twist. Depending on the position of the rotating core, the puzzle transforms between a single continuous track and two separate tracks. Planning your moves becomes a true mental exercise as you work to untangle and sort the colors.\u003c\/p\u003e\n\u003cp\u003eCycle the beads through the single or double tracks, and rotate the colored dial to scramble or solve.\u003c\/p\u003e\n\u003cp\u003eDesigned to sharpen focus, spatial reasoning, and sequential problem-solving skills, The Delta makes a perfect gift for engineers, programmers, mathematicians, and anyone who enjoys deeply satisfying technical challenges.\u003cbr\u003e\u003c\/p\u003e","brand":"andEleven","offers":[{"title":"Default Title","offer_id":49933072629900,"sku":"DEL3","price":32.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/files\/il_fullxfull.8076120337_cck2.jpg?v=1778993352"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8783\/4252\/collections\/close_146c3c39-5c92-4356-8a8c-998a4d4d767c.jpg?v=1778995490","url":"https:\/\/andeleven.com\/collections\/advanced.oembed","provider":"andEleven","version":"1.0","type":"link"}