Jigsaw puzzles first came into being back in the 1760s. They were a children's educational tool for geography back then, but by the end of the 19th century, puzzles for adults were coming into popularity. We try to make it easier for you by having the intricate interlocking pieces so you can sneeze without losing any of your work. Enjoy these very well-made, beautifully designed puzzles from White Mountain Puzzles. Perfect family entertainment.