The Revomaze Extreme Puzzle is another one of those great puzzles introduced by ThinkGeek that will either give you hours of fun trying to solve or will absolutely drive you insane when you cannot solve it. This puzzle will challenge your mind as well as your physical aptitude. Features include a difficult puzzle that will challenge you to solve the internal labyrinth, milled individually form a solid block of metal, and engineered for a smooth mechanical manipulation. You must remove the inner core in order to solve the puzzle and win, while choosing from three difficulty levels.
To buy the puzzle, click here.
