In small bowl, tint 1/4 cup of the frosting with red food colour to make pink frosting; set aside. Frost cupcakes with white frosting. For muzzle, spread 1/2 teaspoon pink frosting in small circle on each cupcake; add red baking bit for nose. For eyes, add brown baking bits. For ears, add white gumdrop halves, cut sides down. Place marshmallow halves on face for wool.