Quartet Pocket Puzzle musical Hedi will show you how

Hedi will show you how to bind a book and fold paper to create over 35 of her cut-fold book designs

and intuition

JinHoo Ahn won Honorable Mention in the Nob Yoshigahara Puzzle Competition in 2014 for this design

hot-air balloons

Quartet Pocket Puzzle musical Hedi will show you howEven experienced puzzlers have described the Quartet puzzle as "too hard" and "nearly impossible." But if you're looking for an enormous mental challenge that can fit in your pocket, this is the puzzle for you. No undue force is required to separate the four pieces, just a complex sequence of moves that mindless fidgeting will never unravel. The good news is, it's not quite as screamingly difficult to get the pieces apart as it is the get them back