Mark,
The kits in the flyer were mostly from the Japanese animated TV show “Dougram”. Max Factory in Japan has been issuing new tool kits of the mecha and vehicles:
https://www.1999.co.jp/eng/search?typ1_c=102&cat=&state=&sold=0&sortid=0&searchkey=Dougram&spage=1&Make=Max+Factory