This interesting thing was seen on Facebook Marketplace, someone spent a lot of money on this, I think I'll just present the ad in its entirety.
Own a piece of powersports history. This is believed to be a one-off prototype of an all-terrain vehicle built by KSM Innovations of Edmonton, Alberta, Canada. It was designed as “light weight, single track, motorized vehicle that is amphibious, unsinkable, all terrain and all season, safe and stable and having no need of transformations or additions to adapt it to different weather or terrain conditions” in Patent # 4,981,188 as filed with the US Patent and Trademark Office.It is powered by a Honda ATC125 engine that is connected to a one piece track drive system.Built in the early 80s. rumour was they lost the contract with Honda due to design flaws. Runs drives moves, could use restoration,