The World's Most Difficult Puzzle is Double Sided and has the same picture on both sides, offset 90 degrees from each other - enough to make any puzzle very hard.

However, this puzzle is also cut in such a way that there is no way to tell which side is which, each piece must be compared on both sides for colour, size, shape and fit! Good luck!

Number of Pieces: 529
Size of Jigsaw: 38 x 38 cm.

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