Crayons are the key to this box. Please arrange thecrayons in order. This mechanism is similar to the pin tumbler lockdevice. Used in the main body, American black cherry has a black linecalled "gum spot". It is included in almost all works. Please understand.
This work was produced by Karakuri Creation Group’s craftsmen, from aselected idea of “9th Karakuri Puzzle Idea Contest”.

Original idea byYosuke Tanaka
Hand-crafted by Hideaki Kawashima (Karakuri Creation Group)