The Map Box – A Flexible Storage Solution The Map Box is a standalone alternative to the Big Box Extension. It includes the same high-quality card boxes and insert, but comes in its own separate box. Looking to expand your existing Big Box? Go with the Big Box Extension. Prefer a separate storage solution? Choose the Map Box. It’s perfect also for players who own the base game and expansions but don’t have the Big Box. Together with your base game box, this offers a streamlined, space-saving way to store your entire collection. Content: 1 Sturdy Cardboard Box 1 Insert to hold game material such as cardboard maps. 2 Deck Boxes, each able to hold approximately 100 sleeved cards.