CRAZY SHAPES is the craziest puzzle series in the world! They have irregular shapes and no edges which make them a real treat and a real challenge for puzzle fans. After completing the puzzle, a 68 x 48 cm picture will be created. Jigsaw puzzles are a great way to spend free time with friends and family and a great exercise for the brain. Puzzles make a perfect gift for birthdays or holidays. Trefl puzzles are manufactured in Poland, and made of natural materials only. The use of a special paper with the structure of flax fiber reduces light reflections and makes stacking puzzles easier, providing you with even more fun.