Make cookies. Prepare and roll out cookie dough following recipe directions. Use Cookie Monster cutter from set to cut shape. Bake and cool cookies.

Outline and fill in cookies. Prepare Color Flow icing according to package directions. Tint portions dark blue and black. Reserve some white.

Use tip 3 and full-strength blue icing to outline face area. Use tip 3 and thinned blue icing to fill in face area. Let set 24 hours.

Decorate cookies. For eyes, use tip 12 and full-strength white icing to outline and fill in eyeballs. Pat smooth with finger dipped in cornstarch. Use tip 5 and full-strength black icing to pipe pupils. Pat smooth with finger dipped in cornstarch.

For mouth, use tip 5 and full-strength black icing to outline and fill in. Pat smooth with finger dipped in cornstarch. Use tip 3 and full-strength black icing to add smile lines and creases. Let set 1 to 2 hours.