Today is the start of first DC Super Hero Girls promotion polybag. The deal will last until February 15. To get Krypto Saves The Day (30564) polybag, you need to purchase any DC Super Hero Girls set. The polybag is estimated to be priced $3.99 (US) with 55 pieces and stock is limited, so get in quick! You can build the polybag with your own pieces here though you may not have all the pieces, especially the ones with stickers.