Ball-in-a-maze puzzle

Ball-in-a-maze puzzles are dexterity puzzles which involve manipulating either a maze (or labyrinth) or one or several balls so that the ball or balls are maneuvered towards a goal. Toys like this have been popular since Pigs in Clover (also spelled Pigs-in-clover) was invented by Charles Martin Crandall and then patented on September 10, 1889. The game was a craze in the United States from mid-February to May 1889, at 8 000 puzzles being produced daily according to The Waverly Free Press. It was played at home, on buses, in the street, parks, and even by US politicians. Sam Loyd falsely claimed to have invented it in an interview in 1891.[1][2][3][4][5]

A simple wooden ball-in-a-maze

In some versions, a wooden labyrinth is tilted using two knobs and the ball has to be navigated past a series of holes and obstacles. A magnet is used in other versions where the balls have to be manipulated rather than the maze.[2] Perplexus is an example of a 3D ball-in-a-maze.

Another version, usually molded in transparent plastic, uses the ball as a key to opening an internal compartment by manipulating the ball into position, and then operating a sliding mechanism that releases an access door. They are sometimes called "Money Maze" banks or puzzle boxes.

Virtual versions of the puzzles have been made.

See also

References
  1. "Pigs in Clover". Elliot Avedon Virtual Museum of Games. 25 May 2007. Archived from the original on 26 January 2010. Retrieved 12 December 2010.
  2. van Delft, Pieter; Jack Botermans (1978). Creative Puzzles of the World. Cassell. p. 141. ISBN 0-304-30300-3.
  3. "R Journet". Archived from the original on 2011-07-13. Retrieved 2010-05-12.
  4. Slocum, Jerry. Sam Loydʼs Most Successful Hoax (PDF). p. 2. Archived from the original (PDF) on 17 March 2019. Retrieved 4 December 2022.
  5. US 410956, Crandall, Charles, "Game or Puzzle No. 410,956", issued 1889


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