The first jigsaw puzzle was made in 1760 on wood.
Jigsaw puzzles were invented in the United Kingdom.
Any kind of picture can be used to make a Jigsaw puzzle.
You can even buy custom made jigsaw puzzles with pictures of your family members.
Jigsaw puzzles can have as few as 3 pieces to several thousand.
Large jigsaw puzzles can take weeks or months to complete.