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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 manoeuvered towards a goal. Toys like this have been popular since Pigs in Clover was invented by Charles Martin Crandall in the 1880s, with the patent being applied for in 1889.〔http://www.gamesmuseum.uwaterloo.ca/VirtualExhibits/puzzles/dexter/pigsin.html〕〔http://jigglepuzzle.com/animals%20oblong%20pigs%20in%20clover.htm〕〔http://www.indiana.edu/~liblilly/overview/puzzle_docs/Sam_Loyd_Successful_Hoax.pdf〕〔 〕 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.〔 Perplexus is an example of a 3D ball-in-a-maze. Recently a large number of virtual versions have become available. ==See also== * ''Labyrinth'' * Rubik's 360 * Perplexus 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ball-in-a-maze puzzle」の詳細全文を読む スポンサード リンク
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