Heh, it's German. Julian can translate it better, but it's a contest (and some of the text, even using Google translate and the words I can recognize, seems amusing). Miss Piggy demands to know who has taken/hidden her bow. "Can you see?" Send the solution in on a postcard, and win a Nintendo.
Sorry for the late reply... but Andrew's got it figured out! Eleven lucky winners would get an NES, 111 participants would receive a cheap, little LCD game. I totally remember that comic book/magazine ad. This one's #3 out of a series of several "PEZ Crime Competitions."