I remember toons who, when explosions went off in their faces, suddenly looked stereotypically Negro, sometimes even with ribbons in their hair. This was especially true in early Tom & Jerry cartoons.
Aside from popular media, does anyone remember chocolate and bubble gum "cigarettes"? In my day, they were just part of innocent kids playing at being grownups. Try peddling candy cigs to kids today and there'll be demands for your head on a stick.
We'd get peppermint-flavored white "cigarette" candy, and my parents weren't even smokers. But my sister and I certainly knew the "proper" way to hold them... That would never fly today!
Then there was the set of lawn darts we owned...