This puzzle was available by LOTTERY ONLY for the 2022 Karakuri Idea Contest
The crafters describe this work in the following manner, "It is an item with a towering volcano as a motif.
It was finished in a steep octagonal pyramid shape.Original idea by Aoto Tabuchi
Hand-crafted by Hiroshi Iwahara, Hideaki Kawashima (Karakuri Creation Group)
Measures 120 x 120 x 80 mm.
Crafted in Walnut, Old Katsura and Padauk Woods
Buyer to pay exact postage fee. Will ship from Chicago