Ravensburger puzzles are designed to be a positive, frustration-free experience. The steel-cut pieces offer a perfect, interlocking fit with no tearing or dust – and no two pieces are ever the same shape! Extra-thick cardboard pieces mean your puzzle will last for years. And the fine, linen-structured paper eliminates glare so you can really see the pieces. Ravensburger, bringing families together since 1891.