They’re sort of like Rice Krispies with more sugar and colors! Back in the good old days, Fred and Barney used to sell cigarettes and beer. They’ve since started advertising cereal, but things must be rough in the Stone Age since Barney is trying to steal Fred’s food.
Also notice you can get a Fred Flintstone flying disc. This hunk of printed plastic hardly qualifies as a frisbee. How on earth do you throw this thing?