I don't want to pollute the general questions topic - this is a dumping ground for "things I don't understand yet". They will be documented when I have the time and patience to do so (though feel free to beat me to it) https://twitter.com/okunari/status/577655306886385664 Tsukuba Expo '85 - looks like an MSX thing. Don't know if this is all the pages of the leaflet.
https://en.wikipedia.org/wiki/Expo_%2785 I came across one of these on Ebay before. There were some other pages;
http://buyee.jp/item/yahoo/auction/n239967444?lang=ja "Mini Dodgem" (????????). Not sure if this is part of something bigger. They look totally safe.
