Cast Ring Puzzle - Cast Ring Puzzle
Based On the Original Puzzle Ring -- Popularized in 15th century Europe, this ring style was actually used for official engagement and marriage rings.  -- Christian reformist, Martin Luther, was even known to wear one. It is rumored to prove as evidence of its wearer's adultery, when it comes apart into pieces.  -- A rich history is matched by a true mental challenge as you try to disassemble then re-assemble these curvy concentric rings.