It’s Draculaura’s Sweet 1600 Birthday Party, and you’re invited! Use the Skullette™ keys from Monster High Sweet 1600™ doll packages to get your party favors! Don’t have a key? Then you must test your wicked wits with shocking quizzes to reveal the secret codes! **If you're on an iPad, make sure your screen is not 2x when using a Skullette key. **