Bandai Ultimagear Yu-Gi-Oh Millennium PuzzlePuzzle with the Real Challenge Get ready for a real challenge to complete this puzzle! You'll have to get creative with assembly patterns and the combination of the order in which the pieces are fitted, as well as sliding and rotating actions, too. The real challenge comes when you experience the puzzle itself, which has been built to recreate the real thing as closely as possible. The ULTIMAGEAR Millennium Puzzle has a two step assembly process: Step