Also: Decorate cookies using royal icing. Outline all cookies with tip 3. Cover hands and shoes with tip 16 stars. For head, use tip 3 to outline and fill in mouth and tongue (pat smooth with finger dipped in cornstarch). Pipe tip 6 dot eyes; pat smooth. Cover face and ears with tip 16 stars; overpipe nose and cheeks for dimension. Pipe tip 18 pull-out stars for hair and shoe spikes. Pipe tip 2 outline shoe laces. Let dry.