True bonds are hard to form, yet they are eternal. Inventor Mine Uyematsu has designed a cast metal brainteaser puzzle whose bond is truly difficult to unravel. Consider how to go about forming and breaking such a bond. Ther...

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True bonds are hard to form, yet they are eternal. Inventor Mine Uyematsu has designed a cast metal brainteaser puzzle whose bond is truly difficult to unravel. Consider how to go about forming and breaking such a bond. There are two approaches to this puzzle; are you good enough to find them both?

  • Hanayama's Quartet Puzzle is an intricate brainteaser from inventor Mine Uyematsu
  • Discover how the 4 interlocking pieces are joined - separate them and then reassemble the puzzle
  • Hanayama is known worldwide for challenging puzzles and quality manufacturing
  • Level 6 puzzles are considered very difficult by most puzzlers
  • BePuzzled is more than just jigsaw puzzles - it's puzzle-plus

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