Here’s a fun freebie for the kiddos! Get a free Monsters Inc trick or treat bag when you buy two Kellogg’s cereals! Just cut out the UPC codes and mail them with a request form to score a free bag. The offer expires 10/31 or while supplies last. There is a limit of three requests per household. Click here to print the request form; simply fill out the required info, include the UPC codes (two per bag) and mail in the form.