I enter a GB contest at a local historical society, and at last years award ceremony they announced there would be no theme for this year. My grandson, who knows my love of the Wizard of Oz, suggested it for my theme. All structures, and characters are gingerbread decorated with royal icing. The flowers are made from fondant. The twister has a PVC pipe for structure, and is covered with ginger clay, and many layers of RI, and RI transfers. Printed pics are edible icing sheets.