Colourful BLACK Spiral Krypt Puzzle plays tricks on your eyes. All the twist and turns make this puzzle especially challenging. Find your way out of this colourful maze. Since 1891 Ravensburger has been making the finest puzzles and it's their attention to detail which makes Ravensburger the world's greatest puzzle brand! They use an exclusively developed, extra-thick cardboard and combine this with our fine, linen-structured paper to create a glare-free puzzle image. Our cutting tools are designed and crafted by hand. This ensures that no two pieces are alike and guarantees a perfect interlocking fit. Experience the quality! This 736-piece jigsaw puzzle measures 70 x 50 cm when complete. Box Size: 38 x 27 x 6 cm