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. Lighter Woods with a Beautiful Finish! *Difficulty-Moderate to Difficult Comes with Opening Instructions and Gift Box! Measures* 3.25 x 2.375 x 1.75 inches Secret Compartment measures * 2.25 x 2 x 1.45 inches Stamped with artist's hanko. Urethane finish.