Dirty Dozen from Puzzle Master - Review by Tyler | Made of an attractive orange anodized metal, the Dirty Dozen puzzle is made up of 12 identical interlocking pieces. This hefty puzzle
The Dirty Dozen Metal Puzzle Will Drive You Crazy with a Level 9 Difficulty
How Are These 12 Separate Pieces!? | Dirty Dozen Puzzle Solution #spon - YouTube
Square Root Games
Amazon.com: Square Root Games 0009 Dirty Dozen Puzzle in Natural Finish Solid Hardwood : Toys & Games