The Double M puzzle
12 December 2020One of the most recognisable puzzles around and yet the history of the MM puzzle is unclear and often disputed so we decided it was…

Can you remove the ring from the puzzle without cutting the rope?
Based on the science of topology which is the study of forms and surfaces, this puzzle is called Wit’s End in the New Book of Puzzles (J.Slocum & J.Botermans). An easier version called Sword Puzzle was patented in USA by Robert Boomhower in 1968 but of course, here at Mr Puzzle we had to make the difficult one!
Size 230mm x 45mm x 12mm