1st. Sep. 2016

I just started Facebook.
I will mainly report the updating information of my website
and sometimes production note, both in English and Japanese as much as I can.

16th. Sep. 2016

New free paper automata kit
"Warming up for X-day" is just released.
Please visit Download Shop!

To visitors from overseas

Sorry that English pages are not managed well.
If you are interested in my recent works, please visit Japenese pages.

New book from St. Martin's Griffin(English) Here

Some of my works are published/distributed in US and EU.

Please visit


Rotsch-O-Mat
(8 automata+2 books+4 goblins/Japanese version+English instructions/Swiss)

any opinion or question
Copyright(c) 2000 Keisuke Saka