This is reputedly one of the most challenging puzzles to master at taking apart and re-assembling! Approximately 40 moves to take it apart. And 40 moves, in reverse sequence to re-assemble it! It gets it’s name from the most challenging rope puzzle made, that withstood all attempts to undo it for 400 years until Alexander the Great cut the knot open with his sword. Type of thinking: Mechanical and sequencing. BUY ONLINE at https://puzzleplace.co.za/product/gordian-knot-plain/ Address: 168 Old Ma