Take your kiddo's puzzle-solving skills to the next level with the Rubiks 4x4 Master Cube Colour-Matching Puzzle Unisex, 8-10 Years. A step up from the classic 3x3 Cube, this version introduces an extra layer of complexity with its free-moving centre facets. Unlike the original, the 4x4 Cube has no fixed centres, adding a new twist to your solving strategy. Designed with smooth rotation and durable tiles, this challenging puzzle promises hours of fun, brain training, and hand-eye coordination. Whether you're at home or on the go, it is the perfect brain teaser. Order now.