Prepare roll out cookie dough. Cut with Gingerbread House Cutter. Bake and cool.
Prepare color flow icing. Use tip 3 and full-strength brown color flow icing to outline house; let set. Use tip 3 and thinned-down brown color flow icing to fill in house; let set. Use tip 3 and full-strength white color flow icing to outline door and trim with jumbo rainbow nonpareils. Use tip 3 and full-strength white color flow icing to outline and fill in window on door, outline windows and add jumbo rainbow nonpareils for house doorknob and above windows. Use tip 14 and full-strength green icing to pipe stars for wreath; add red nonpareils for berries on wreath. Use tip 16 and full-strength green color flow icing to pipe zigzag bushes at base of house. Use tip 3 and full strength white color flow icing to pipe icicles on chimney, house peak, windowsills and bushes.
The star tip creates the most popular, easily accomplished decorations! The serrated edges of the star tip makes ridges in the icing as you squeeze it out. Use for borders, details such as buttons and facial features, flower centers, filling in cakes baked in shaped pans.