FangShi LimCube Dual 3×3 V3.1
The FangShi LimCube Dual 3×3 V3.1 is a cube in a cube puzzle. There is a standard 3×3 puzzle that is visible on the exterior, but there is also another 3×3 puzzle that is visible in the 3×3 grid that forms the center piece on each side. The solver must solve both the internal and external 3x3s in order to complete the puzzle.
The puzzle features embedded tiles that won’t wear off easily.