Party Whoopie Pie Mix (Multi-colored) Party Accessory A complete party or family activity kit including whoopie pie and vanilla frosting mixes and decorations. Make delicious party treats with special rainbow sparkling sugar for the perfect decorating touch! Includes vanilla whoopie pie mix, vanilla frosting mix and rainbow sparkling sugar. Scrumptious whoopie pies are all the rage -- and this kit makes them super easy! Makes 12-15 delicious whoopie pies.