From Richards blog:
“I like to show other humans how to make stuff like this. I run workshop classes where you can learn the basics of electronics and build your very own noise machine. You can find more information and make a booking here.
Wherever possible I like to give away my designs so other people can copy my work. If you’re into that sort of thing, you can find full schematics and plans of the devices shown on my blog, along with audio and video