Combine margarine and marshmallows in 2-quart glass bowl. Microwave (high), uncovered, 2 1/2 to 3 minutes or until marshmallows are puffed. Add orange gelatin; mix until combined. Stir in cereal until well coated. Mix in candy corn. Cool long enough to handle.
With buttered hands, form mixture into 24 balls. Place on waxed paper until cool. Wrap tightly in plastic wrap for storage.
Mixture can be pressed into 13x9 inch baking pan and cut into squares.
Tips: Pieces of cut black licorice can be substituted for candy corn.