Board Thread:News and Announcements/@comment-26221274-20150318233444/@comment-24577221-20150319235820

First: nobody knows for sure except for people who work at BBB or BFG. This is the first time that one of the special "Seasons" have come around since the trees and rocks could be repurchased. For that matter, Windows players still can't repurchase the obstacles -- and we don't have the Easter stuff yet this year.

Usually, for the "Seasons", extra files with the special images of the rocks and trees, the island background, and (in some cases) monster costumes are downloaded by the game. When a "Season" ends, the game deletes the extra files and goes back to drawing things the usual way. The Seasonal monsters (the Blabbit, Hoola, etc.) are part of the regular file set, so the game is still able to draw them all year round.

So on that basis, no, the purchased obstacles would lose their decorations. But as Oranger115 points out, the descriptions of the items in the Market does specify the Easter versions. So it is possible that the game will keep the files it needs to draw them after the Easter "season" ends.