These fun and challenging 529pc double sided World's Most Difficult jigsaw puzzles have the same artwork on each side, but the reverse side is rotated 90°. They are die-cut from both sides to make the front and back indistinguishable! Smiliey Faces will have you wondering if they are smiling at you or laughing at you…

Worlds Most Difficult Cats is a collage of felines, this puzzle stating "Cats are a puzzle with no solution" on it. They have the same artwork on each side, but the reverse side is rotated 90°. They are die-cut from both sides to make the front and back indistinguishable! Wicked fun! Are you up for the challenge...?

Why so difficult? This 529 piece puzzle is Double Sided, depicting the same Artwork on both sides rotated 90° with respect to each other. Buffalo Games then die cuts the puzzle once from each side so the top and bottom are identical! This Dalmatians Worlds Most Difficult puzzles creates havoc for the fireman's best friend!