Say "Happy Birthday to You" with this cute cake in a mug. Includes Mug & Cake Mix with sprinkles…Easy to prepare, just add an egg, water & oil, then follow the simple instructions. Pop it in the microwave for a minute for a piping hot cake in a mug. Be creative, add candies, add fruit, for the adult add your favorite liqueur. Each recipe makes enough for 2 to share. Can be shipped to your gift recipient.