It is seemingly possible to modify an actual RC car controller to run on the G-Net for this game.
https://buyee.jp/item/yahoo/auction/b1126832278/detail
Interesting, I think he may be mistaken based on the label. I've seen other TvC which have a TVC label.
And whatever it's connected to is massive which makes me think it is the Mario party electromechanical game, and that the MP8 stands for Mario Party
The hardware seems to match the retail Wii very closely, and even uses the same power brick. I know people have been able to get the triforce games running on Wii via the homebrew channel.
Has anyone investigated this system at all? I can barely find any info on it. The few sources I see say...