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 Japanese Limited Edition Box Page. Measures approximately *3.25 x 2.25 x 1.75 inches. Crafted by Yamanaka Kumiki Works Inside wood block slides outward simply, but can you find the trick? Instructions in Japanese Only. Limited Release.