One of the biggest pastimes of my childhood... not just the 1/35 models (unlike the 1/72 scale of Airfix), Tamiya was also responsible for the powered cars, with a remote control.
https://tamiyablog.com/2017/05/mr-masayuki-tamiya/
https://headlines.yahoo.co.jp/hl?a=20170511-00000002-jct-soci