This reminds me of my youth when a popular toy was called "Colorforms" https://en.wikipedia.org/wiki/Colorforms https://en.wikipedia.org/wiki/Colorforms They m

This reminds me of my youth when a popular toy was called "Colorforms" https://en.wikipedia.org/wiki/Colorforms https://en.wikipedia.org/wiki/Colorforms They made generic sets as well as sets for various TV shows and movies -- you built up scenes by putting decals on backgrounds.