Ball-in-cup
From Speedsolving.com Wiki
Ball-in-cup was one of the first mystery puzzles ever held, in 2006 by the Caltech Cube Club. It was an idea by Tyson Mao, who used it as a parody of Magic and Master Magic.
Ball-in-cup was one of the first mystery puzzles ever held, in 2006 by the Caltech Cube Club. It was an idea by Tyson Mao, who used it as a parody of Magic and Master Magic.