At first, these pictures were educational, or with short passages for young people to read, or to teach history or geography knowledge to the emerging bourgeoisie.Of course, not everyone is positive about jigsaw puzzle. Conservatism and social commentators laugh at the fact that the rich are so boring that they have nothing to do but lay a pile of cardboard fragments on the table. More than a decade later, jigsaw manufacturers began to add historical themes to the puzzle. In 1787, an English man named William - Dalton made a portrait mosaic of the king of England, from the conqueror William to George III. Education and memory are also part of entertainment, because in order to successfully arrange all fragments, you must know the correct order of these kings. But at that time, jigsaw puzzle was only a game for wealthy people. Hand drawing, hand coloring and manual shearing make the price of jigsaw puzzle very expensive, which is equivalent to the average worker's salary for one month.