Difficulty level: Hard Pieces: 50 unique ones Size: 20cm x 20cm x 1cm Behäppi Hatchel Hard puzzle is now available in gradient. Pink is a hard level gradient puzzle that has 50 unique pieces. Depends on the person - it can take up to 3 hours to solve the whole riddle. Behäppi is a beautiful and challenging puzzle designed and hand crafted in Tallinn, Estonia by a small creative collective Behäppi Design Studio. All Behäppi puzzles are made exclusively from high quality FSC certified birch plywood. If you are looking for a unique jigsaw puzzle challenge, then the advanced realm of interconnected geometric shapes of Behäppi is the right way to go. The puzzle measures 20 x 20 cm and is 1 cm thick. Behäppi puzzles are designed to challenge you while being fun at the same time. So grab one and make your life happier with Behäppi.