Prepare cookie dough. Roll out dough and cut cookies using Snowflake Cookie Cutters. Bake cookies and cool thoroughly on cooling grid. Prepare royal icing.
Divide icing and tint Red-Red, Terra Cotta, Brown; reserve white. Use tip 2
outline reindeer head in terra cotta and antlers in brown. Thin icing and flow in background color using a cut parchment bag. Let dry overnight.
Use full-strength brown icing, pipe 2 dot eyes, string mouth and pipe-in nose. Use full-strength red icing, pipe ears. Use full strength white icing, pipe balls on top of head, immediately add white nonpareils.