Prison Burr is for those crazy puzzlers who can't resist a challenge. With a level 18.104.22.168.3.2 solution, even taking the first piece out...you know, the 2 move piece...can be tricky! And it goes downhill from there (or uphill depending on your level of puzzle crazy). Stephane locked a difficult six piece burr assembly into a cage with no access to the bottom of the puzzle. Tons of fun to disassemble; I can't even imagine reassembly without directions.
Construction of this puzzle is somewhat extraordinary, with internally mitered and beveled pieces which allows for an extremely strong cage milled from solid pieces.
47 copies made for sale, each signed and dated. This puzzle is shipped assembled.