An ancient mystery is reinvented for mind-bending, modern-day fun. Gordian''s Knot Brainteaser Challenge from ThinkFun is based on the Gordian knot tied by Midas. The Great Oracles proclaimed that the person who solved the puzzle would rule the world. This colorful knot features six interlocking pieces, but it takes a whopping 69 different moves to take the knot apart.