I started designing puzzles in 1982. That was roughly the same puzzle, but without the 2 cylinder obstacles. The task of this puzzle: remove the ring in the center. I sold 40 of them. 3 collectors sent me the solution. Warning: it is a tricky puzzle!!
Turn and press so that all half circles above and below have the same color. Inside you can set 5 different difficulties. Instructions included.Turn the center with a coin to open. Without boxTon Delsing.
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