A complex secret code protects the contents of this box from prying eyes. It's named the Binary Puzzle Box because the sliding panels must be activated in a very specific sequence in order to unlock the top. The pattern is maddeningly difficult to decipher, even for those who know their 0's and 1's... To be honest, it took us three whole days to solve this puzzle when it first arrived at our showroom. For those who like a challenge, look no further. Made from a variety of exotic woods.