Decorate treats. Prepare decorating bag with white icing. Snip small hole in tip of bag. Using white icing, attach eyes to cereal treat. Divide remaining white icing in half. Using icing colors, tint half orange and half black.
Prepare decorating bag with tip 8 and orange icing; pipe nose. Prepare second decorating with tip 5 and black icing. Outline and fill in mouth. Use finger dipped in cornstarch to pat down icing.