I can’t remember the very first one, but I do remember building a 1/32 Revell Corsair with my dad. We (meaning, probably, he) sprayed it Testors sea blue all over from a rattle can.
-J
We had a kind of rustic “back forty”. Many battles fought there.
Years later the folks were putting in a vegetable garden. Dug up a lot of props and landing gear.