Due to this Puzzle being crafted as a limited edition or run, it is no longer available for sale. Regrettably we do not think it will be back in stock. Please view our other hard to find puzzles on our Karakuri Trick Box Page. Ready for the Challenge?? This Japanese Puzzle Box requires 324 steps to open! Only 1 available for sale. Stamped by the crafter! Measures* 5.16 x 5.16 x 5.16 inches Will arrive in gift box and opening directions.