I remember back in the day as a kid. You’d see these advertised in comic books and JC Whitney. You could even get one through JC Penny.
https://www.motortrend.com/news/remastered-meyers-manx-old-red-kit-car-dune-buggy/
https://www.motortrend.com/news/remastered-meyers-manx-old-red-kit-car-dune-buggy/