The Professor Puzzle UK Ultimate IQ Test Wooden Puzzles Jigsaw Puzzle is a brain-teasing game from the reputable brand Professor Puzzle LTD. This puzzle features irregularly shaped pieces that challenge your problem-solving skills and strategic thinking. With a focus on strategy, this jigsaw puzzle is sure to provide hours of entertainment and a sense of accomplishment as you piece together the puzzle pieces to reveal the final image. Perfect for puzzle enthusiasts who enjoy a challenging and unique mental workout.