Preheat oven to 350°F. Place baking cups in standard muffin pan.
Prepare cake mix following package instructions; place batter in prepared pan.
Bake 18-20 minutes or until toothpick inserted in center comes out clean; cool completely. Insert cooled cupcakes into cupcake wraps. Tint icing green; pipe tip 233 ?grass? over tops of cooled cupcakes. Arrange icing decorations on icing.