Bake and freeze the cake before your big celebration. Tightly cover unfrosted cake and freeze for up to 2 months. Thaw and decorate the day before your celebration.
Melted white candy coating is a fast-drying "glue" that can be used instead of the frosting to attach the candies and drizzle for decorating.
Create an attractive display by covering a piece of sturdy cardboard with wrapping paper, then plastic food wrap. Stretch and secure with tape. Or cover cardboard with foil or cooking parchment paper.