The Fibonacci Box is a very nice puzzle box designed and made by Jesse Born. It was a limited edition and all copies have long since sold out.It is made from Holly, Katalox, Cherry, Poplar, Brass, Padauk and Richlite.From the designers website:"The Fibonacci puzzle is based on the Fibonacci sequence found in nature. The goal of this puzzle is to open the box. I uncovered a satisfying coincidence in nature that made the basis for the main Fibonacci mechanism. When I figured out a puzzle like th...

Stickman Puzzle Safe is a very complex Sequential Discovery Puzzle designed by Robert Yarger of the Stickman Puzzlebox Co. They are produced by Tartarus Puzzles LLC and crafted by artist Jon Keegan.  The puzzle was limited to 225 copies and requires a minimum of nearly 30 steps to reveal the hidden compartment.More info can be found here: Stickman SafeThe puzzle comes in the original, very well cushioned packaging, in which it was sent to customers by Jon. The original documentation / soluti...