Matches in DBpedia 2016-04 for { ?s ?p "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.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."@en }
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- Ball-in-a-maze_puzzle comment "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.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.".
- Q4851173 comment "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.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.".