> At some point the Jack Armstrong program invited listeners to mail in a Wheaties box top to get a decoder ring that could be used to decipher secret messages

> At some point the Jack Armstrong program invited listeners to mail in a Wheaties box top to get a decoder ring that could be used to decipher secret messages that would be given near the end of certain broadcasts. I remember seeing that in "A Christmas Story": https://www.youtube.com/watch?v=6_XSShVAnkY https://www.youtube.com/watch?v=6_XSShVAnkY