{"product_id":"mf8-son-mum-4x4-mixup-shape-shifting-puzzle","title":"Mf8 Son-Mum 4x4 Puzzle - Mixup Variant Cube","description":"\u003ch3 data-path-to-node=\"4\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4\"\u003eMF8 Son-Mum 4x4-3x3 Shifting Puzzle \u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eTake your geometric problem-solving to an entirely new dimension with the \u003cb data-index-in-node=\"74\" data-path-to-node=\"5\"\u003eMF8 Son-Mum 4x4 Puzzle\u003c\/b\u003e. Released as a core pillar of MF8's famous Mixup Series, this structural mechanical marvel embeds a fully operational, nested 3x3 grid internal matrix directly into the structural center of a robust 4x4 framework.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eUnlike conventional high-order cubes, the Son-Mum architecture permits specialized multi-axis fractional layer turns. Turning intermediate tracks allows the central grid cells to travel across non-traditional slicing planes, inducing extreme shape-shifting, bandaging, and puzzle state configurations. Known for its demanding logic paths and high piece parity complexity, this puzzle is an essential crowning achievement for mechanical engineers, twisty puzzle historians, and elite cubers looking to conquer shape-shifting mechanics.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8\"\u003e🧩 Key Product Highlights\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0,0\"\u003eDual-Layer Nested Geometry\u003c\/b\u003e: Features an independent inner 3x3 sub-grid center system nested seamlessly inside an outer 4x4 perimeter block layout.\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,1,0\"\u003eExtreme Shifting \u0026amp; Jumbling Capability\u003c\/b\u003e: Specially engineered internal tracking allows center layers to split diagonally, altering the structural silhouette of the cube during solving phases.\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,2,0\"\u003ePremium ABS Track Engineering\u003c\/b\u003e: Molded with high-rigidity ABS engineering material to minimize friction and prevent catching across complex cross-cutting internal alignments.\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,3,0\"\u003eHigh-Contrast Vinyl Faceplates\u003c\/b\u003e: Fitted with vibrant, resilient vinyl stickers arranged in a standard high-contrast palette for immediate piece-tracking accuracy under rapid light variations.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003e📐 Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0,0\"\u003eBrand\u003c\/b\u003e: MF8\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0\"\u003eItem Name\u003c\/b\u003e: Son-Mum 4x4 Puzzle (Mixup Variant)\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0\"\u003ePuzzle Type\u003c\/b\u003e: Nested Center Complex Shape-Shifting Hexahedron\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0\"\u003eDimensions\u003c\/b\u003e: 6.7 x 6.7 x 6.7 cm\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,4,0\"\u003eNet Weight\u003c\/b\u003e: 174 g\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,5,0\"\u003eGross Weight (including original packaging)\u003c\/b\u003e: 186 g\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,6,0\"\u003eMaterial\u003c\/b\u003e: Premium ABS Engineering Grade Plastic\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,7,0\"\u003eBase Color\u003c\/b\u003e: Jet Black\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,8,0\"\u003eSticker Layout\u003c\/b\u003e: Standard Six-Color High-Contrast Palette\u003cbr\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,9,0\"\u003eCondition\u003c\/b\u003e: 100% Brand New in Original Window Display Box\u003c\/p\u003e","brand":"MF8","offers":[{"title":"Black","offer_id":42067766837431,"sku":"MF8-Son-Mum-44-BL","price":27.33,"currency_code":"EUR","in_stock":true},{"title":"Primary","offer_id":42067766804663,"sku":"MF8-Son-Mum-44-PRM","price":30.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/5053\/3559\/files\/Mf8-Son-Mum-4x4-Puzzle-4.jpg?v=1781575792","url":"https:\/\/cubein.cn\/products\/mf8-son-mum-4x4-mixup-shape-shifting-puzzle","provider":"CubeIn","version":"1.0","type":"link"}