It's party time! A big bash for King Oberon and Queen Titania is underway in Fairyland. The Party Fairies keep everything running smoothly, until Jack Frost's goblins steal their magic party bags. Now parties everywhere aren't festive --- they're a flop! It's Kirsty's birthday, but her cake could be ruined! Goblins are stealing candles and stomping in icing. Can Cherry the Cake Fairy make Kirsty's special day sweet again? Find the magic party bag in each book and save celebrations everywhere!