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. Expansion IV Japanese Puzzle Box by Akio Kamei Crafted in August 2012 Measures 2.83 x 2.83 x 2.83 inches (72 x 72 x 72 mm) Opens in 7 Steps and is stamped with Akio Kamei's Hanko! Constructed of Walnut Will arrive in High Quality Gift Box