Eyestrain, Shoulder stiffness, Difficulty concentrating...
Modern man is tired, because we are surrounded by a lot of electronic equipment.
Would you like to refresh by traditional wooden toys?
This is Kumiki.
"Kumiki" is called, "Interlocking Puzzle" in English,
and we can find the culture all over the world.
To say about the origin of the Kumiki in Japan,
there's an opinion that it's from a toy,
"Chiegi", or "Chie-ita" in the middle of Edo era,
and there's another view that it's from models made by carpenters of
temples or shrines for teaching to their apprentices.
It is made of wooden block without glue.
It is composed of solid structures, and free to take apart and put together.
When assembling and dismantling the kumiki,
you would use a very intelligent.
Also, some people can be solving it without anything special.
For example, when break in office, playing with friends, family reunion...
Would you play with Kumiki?
Because Kumiki is a 3D puzzle made of wood, so we solve the puzzles by hand.
Using your hands, your head will be clear.
Unlike video games, less susceptible to eye strain.
It is also recommended for children.