Premium quality puzzle with 27 precision ground blocks. Your goal is to make each face of the cube have the digits 1 through 9. This is quite difficult, a low level 5 (out of 5). It is achievable though as the individual blocks are only printed with a number on the outer faces. Comes with a beautiful wood and plexi-glass base that allows for a nice presentation of the puzzle. Also comes with solution.The cube itself is 3" when assembled. On the base as packaged the puzzle measures about 3.5 x 3.5 x 3.75"