Ice and decorate door and windows. Using purple icing included in kit and spatula, fill in 1 ¼ x 3 in. door, 5/8 x 2 in. front and side windows, 1 1/8 in. dia. top window. Smooth with spatula. Attach candy to door. Let dry 2-4 hours until set.
Ice and decorate front, back and sides of house. Using gray icing included in kit and spatula, cover bare areas of house. Work one side at a time, and immediately cover in black sugar. Repeat.
Tint icing. Tint 2 cups icing violet. Combine Violet and Rose for violet shown Using violet icing and spatula, cover roof. Work one roof panel at a time, and immediately cover in lavender sugar. Repeat.
Add decorative touches. Use black tube icing to pipe spider webs, outline door and windows, and pipe dot doorknob. Attach candy to door and under widows.
Decorate base. Use spatula and icing to ice base. Add sugar.