Whiffer Sniffers Mystery Pack 3 Scented Backpack Clip This is Mystery Pack #3, this pack is the only way to get Bubbles, take your chances! Series 1 features 3 different character mystery pack which are rare editions and are available only in their own mystery package EITHER the rare featured special edition character (lucky you!), OR one of the other awesome regularly sold Whiffer Sniffer characters.