<ul class='productmiaoshu'><li>Hanayama's Quartet Puzzle is an intricate brainteaser from inventor Mine Uyematsu</li><li>Discover how the 4 interlocking pieces are joined separate them and then reassemble the puzzle</li><li>Hanayama is known worldwide for challenging puzzles and quality manufacturing</li><li>Level 6 puzzles are considered very difficult by most puzzlers</li><li>Level 6 puzzles are considered very difficult by most puzzlers</li></ul>
