Cut something, usually a
flat piece of
cardboard with a
picture on it, into a bunch of
pieces. You have a
jigsaw puzzle. You usually
purchase a
package with these pieces in it, and try to
assemble the original
image. Recently has been
expanded to include
3-D puzzles.
Can purchase ones for children, with 25 pieces or less, to the common ones with 500-2000 pieces. They also have giant ones with as many as 10,000 pieces.