Finished size is approx. 10 x 14.7cm
Black jigsaw puzzle for training
Shinobi puzzle
In the Warring States period, there was training to develop concentration and patience by assembling a jet-black puzzle to become a ninja (apparently)...
This product is an official good certified by the Japan Ninja Council.
The Japan Ninja Council is the world’s only official ninja organization, consisting of municipalities and others, created to promote "ninja" as a cultural asset of Japan to the world.
Difficulty:
Comes with a paper shuriken
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