News Pocket Puzzle __largepuzz this double-sided 139-piece puzzle can

this double-sided 139-piece puzzle can flip inside out on itself and continue seamlessly

Three nearly identical metal spirals are tightly coiled up in a complex array

We were already impressed with the seven exotic kinds of wood used in the construction but when we saw the top slide open

"Cassiopeia" is a treasured collector's item renowned for its ingenious mechanism and timeless beauty

News Pocket Puzzle __largepuzz this double-sided 139-piece puzzle canThe design of this brass compass provides a clue as to how you might separate the two interlocked pieces. Be forewarned, this is one of the most challenging mechanical puzzles in our collection and this compass does not come with directions. Solving it will take patience and creativity. Designed by the legendary Nob Yashigahara for Hanayama of Japan.