Instant Insanity pattern matching puzzle
21 January 1995Standard Range version made from August 1995 to August 2004. 1150 made. All sold. Original Price: AU$32.00 The puzzle is to arrange the four blocks…

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