Buffalo Games Leprechauns Luck - World Most Difficult Jigsaw Puzzle (Expert Edition)  (1 Pieces)

Leprechauns Luck - World Most Difficult Jigsaw Puzzle (Expert edition) What makes this puzzle so difficult? Most jigsaw puzzles have a picture on one side only, this puzzle has a picture on both sides, rotated ninety degrees from each other, and it's the same picture! Also, all other regular jigsaw puzzles have vertical interlocking lines all cut from the same size so that it's immediately obvious which one is the top. This puzzle has vertical interlocking lines cut from one side and equally spaced horizontal interlocking lines cut from the other side. It's impossible ti distinguish one side from the other. Each piece must be compared on both sides for size, shape and color. Believe me, this is difficult!!!500 pieces, 15" x 15".