This is a domino set featuring Kamen Rider from the Showa 50s (1975-1984). Unlike the flashy setups of recent years, I think they just aimed to line up the dominoes and create a record for knocking down a lot of them. The effort of setting them up was broadcast on TV, and viewers were quite tense watching. I believe this was made during the initial boom. Ultraman is mixed in a little bit (why?). I think it's quite rare. Kamen Rider, Ultraman, Shotaro Ishinomori Productions, Tsuburaya Productions, Toei, Showa Retro, Nostalgic