The same great company that has been producing the Pop! Mystery Boxes, is now set to release a Tsum Tsum Mystery Box. Pop In A Box will release the first box on July 27 and it is limited to just 500 boxes. Retailing for $34.99 USD, the box is set to include 6 tsum items with one of them being a Medium Tsum Tsum. All items are 100% official Disney Tsum Tsum items. Below ae the US and UK links to order the Tsum Tsum Mystery Box as well as more details about the box itself.