The motief if this Karakuri box is "Retaining wall of masonry". The stone part is made in two colors like a marquetry style andsomething will be emphasized after the mechanism parts moved. Please be aware that there is a very sharp part.
This work was produced by Karakuri Creation Group’s craftsmen, from a selected idea of “11th Karakuri Puzzle Idea Contest”.

Original idea by Yasuhumi Shimada
Hand-crafted by Hideaki Kawashima (Karakuri Creation Group)