Bake cake as directed on the box. Bake in Elmo cake pan for 30-35 minutes, or until done. Let cool in pan on cake rack for 10 min. Remove from cake pan and let cool for 1 hour. Once cool place on cake board. Fill in mouth using wilton tip 3 and black icing. Outline smile using tip 3 with black icing. Fill in nose with tip 3 using orange icing. Fill in eyes using tip 3 using white icing. Fill in pupils with tip 3 using black icing.