Puzzles are a fantastic tool for cognitive and skill development for all ages. It's the attention to detail which makes Ravensburger the world's greatest puzzle brand. Exclusively developed, extra-thick cardboard and fine, linen-structured paper, creates a glare-free puzzle image for a quality you can feel. Steel cutting tools are designed and crafted by hand. This ensures that no two pieces are alike and guarantees a perfect interlocking fit. Made in Ravensburg, Germany.