Bepuzzled QUARTET Hanayama Cast Metal Brain Teaser Puzzle (Level 6) Puzzles For Kids and Adults Ages 12 and Up Multi-colored Hanayama has done it again with the cast metal Quartet Puzzle. Inventor Mine Uyematsu has designed this brainteaser puzzle with a bond that s truly difficult to disentangle. Consider how such a bond is formed and you ll discover the secret to breaking... more |