Roll out cookie dough and for each clown, cut out 1 clown head/hat using pattern. Bake and cool. Using royal icing, ice face smooth; using tip 16, cover hat with stars. Add trim and pom-pon using tip 16 pull out stars. Place cookie on wax paper covered board and pipe tip 3 swirled hair. Add tip 2 dot and string facial features. Let dry. Attach lollipop stick to back of cookie using royal icing. Let dry.