My works What Is Needed for Production
Today is Monday, but it is a national holiday in Japan. It is called Marine Day and is a relatively new holiday that was...
Hiroyuki Oka
My works 
Japanese culture A Unique Process for Mame Puzzle Boxes
Today is Sunday, and Japan is currently in the middle of a three-day holiday, with tomorrow also being a holiday. Becaus...
My works Making a Different Size
It seems that the rainy season has still not officially ended in our area, but the hot weather continues today. The cust...
Japanese culture Rising Material Costs and Their Impact
Today was another very hot and humid day. It seems that thunderstorms occurred in many places during the afternoon. I al...
My works Wood for Small Mechanisms
Today was another hot day. I had planned to continue working on the 3-sun puzzle boxes, but since I thought I might have...
My works Differences in How It Is Attached
Today was another very hot day. The rainy season has not ended yet, but it already feels completely like summer. I conti...
My works Skill in Applying Glue
Another very hot day continues today, with the temperature rising above 30°C. The end of the rainy season was announced ...
My works The Fit of the Top Panel
It is a new week, and I am continuing the production of the 3-sun 12-step puzzle boxes. Today, I attached the top and bo...
My works The Time and Work Needed to Attach the Aruki
Over the past few days, it has suddenly started to feel like summer all across Japan. We are still in the rainy season, ...
My works 21-Step Puzzle Box Video
I had a few things to do this morning, so I started working in the workshop in the afternoon. I continued working on the...