My works 3-sun 12-step puzzle boxes
Aug 19, 2025It is very hot again today, and the temperature has reached 36°C.😂 It’s impossible to work outside or woodwo...
Hiroyuki Oka
My works 
My works 2-sun / 2-sun cube Japanese puzzle boxes
Aug 18, 2025Today starts a new week, and the Obon holidays have ended, so it seems that many people are back to work. At...
My works Cube aruki panels
Aug 15, 2025It seems that many companies are still on holiday until today. The roads were very empty again this morning....
My works Natural wood top panels
Aug 14, 2025Today I arrived at the workshop a bit later than usual, and since I have plans in the evening, my working ti...
My works Walnut wood panels
Aug 13, 2025Today is still part of the Obon holidays in Japan, so I came to my workshop a bit later than usual.The rain ...
My works Cube 12-step box
Aug 12, 2025Today, the rainy weather continues, and the humidity is still high, so I can’t do detailed work.Instead, I s...
My works 4-sun 14-step box
Aug 11, 2025Today is Monday, but in Japan it is “Mountain Day,” a national holiday. However, I think many people are on ...
My works Small kannuki panels
Aug 8, 2025It’s Friday today, but in Japan many companies will begin their Obon holiday tomorrow. During this period, ma...
My works 7-step boxes
Aug 7, 2025This morning, it was cloudy for the first time in a while. It's still around 35°C, but without the strong sun...
My works Parts of himitsu-bako
Aug 6, 2025Today is another extremely hot day, and it looks like our area might break the record for the highest tempera...