Rietta Costa and her gingerbread house, MacPherson Cabin the prize-winning entry in Third Streets 2006 Gingerbread House Contest in Marysville. The entry is modeled after the real cabin which is home to MacPhersons Realty, at 1333 State Ave. in Marysville. The winner of the youth category is 5-year-old Serena Brooker and her Happy Face House.