Pre-Launch Box Critters Players have been asking if they will lose all their Items after release or if any of the Pre-Launch Items will return after release.
No and Yes. RocketSnail has confirmed that all Items collected during Experiments and Beta Testing will be kept by the Player and also that “most” of the Pre-Launch Items will make a return. Although to let Critters that never had the chance of collecting a Special Item, he’s working on an Auction Shop, somewhere you can Sell (Trade, maybe?) your Items to other Players for Coins.
Box Critters Help 