Zeltini Z-Triton
zeltini.com
zeltini.com
> Das Hausbootfahrrad (The Houseboat Bike)
https://www.spiegel.de/panorama/lettland-erfinder-baut-hausb...
The caveat is we have a solar powered extractor fan that pulls air down though the toilet seat and exhausts it out a chimney.
If that fan quits working for whatever reason, it smells pretty bad.
Cool design none the less.
As long as you can find a unicycle shop, you should be fine :)
I would bet the price approaches the cost of a nice used pull behind camper.