Since 1891 Ravensburger been making the finest puzzles in Ravensburg, Germany. 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 their fine, linen-structured paper to create a glare-free puzzle image for a quality you can feel. Their steel cutting tools are designed and crafted by hand. This ensures that no two pieces are alike and guarantees a perfect interlocking fit.