Tsum Tsum collectors may have seen the sneak peeks over the past several weeks. Many has speculated the Flora, Fauna and Merryweather Tsum Tsums would end up in a set or some kind. Well, they were right as the new Flora, Fauna and Merryweather will be joined by a Briar Rose/Princess Aurora Tsum Tsum in a 4-piece box set. The new set is slated to be released in Europe and the UK on May 16. No word yet if this set will be released in the US.