WORLDS Most Difficult Jigsaw Puzzle Golf Edition 529 pc Double Sided New Sealed

Brand new and sealed. Non smoking environment A golfer must have patience so this puzzle should help discipline your favorite golfer!!! What makes it so difficult? Most Jigsaw Puzzles have a picture on one side only. This puzzle has the same picture on both sides, rotated ninety degrees from each other...but that's only half the story. Ordinary jigsaw puzzles have both horizontal and vertical interlocks cut from the same side so that it is immediately obvious which is the top. This puzzle has its vertical interlocks cut from one side and its horizontal interlocks cut from the other. One side is indistinguishable from the other! Each piece must be compared on both sides for size, shape, color, and fit. Sound confusing? Wait till you try it!!!