Kellogg's Krumbles was a cereal that no longer exist (as far as I know).  This is from the back of the box and features two cut out figures with traditional outfits from Spain.  The boy has 1 outfit with a hat.  The girl has two outfits. It says "This country is our next door neighbor to the South.  The Mexicans have many colorful and graceful native dances."  This Box seems to be in full color.  These are from around the 1940s.