[2] Rival cereal company Kellogg's has the rights to the Chex brand in South Korea and Singapore.

[citation needed] For many years, advertisements for the cereal featured the characters from Charles Schulz's Peanuts comic strip.

"[5]  In addition to being recommended as a breakfast cereal, it was suggested as soup croutons, a snack with melted butter, and as the heart of a homemade candy flavored with honey and lemon.

[10] When Corn Chex was released in 1959, it was given the Rice Check "criss-crossed" shape, described as helping it stay crispy in milk.

One common 1937 advertisement said, "Its flavor knows no limits," and then proceeded to explain with six-year old Bobby and older family members all had a different reason to enjoy the cereal.

[25] By 1939, Ralston Purina had begun hoping to entice customers with box-top giveaways, such as a pen and pencil set that was still aimed at the whole family.

[26] By 1941, however, while their advertising still hoped to entice mothers and wives, the promotions had begun to be aimed at children, such as Tom Mix comic book give-aways.

Commercial and homemade varieties exist and the snack is often served during the holiday season in the United States.