Istanbul: Big BoxĀ is the all-in-one package forĀ Istanbul, including the base game as well as both expansions,Ā Mocha & BaksheeshĀ andĀ Letters & Seals. It also includes theĀ Istanbul: Caravan Leader Mini Expansion, in the form of a small tile rather than a camel meeple.
This combination also gives players the option to play on a big 5 x 5 tiles bazaar.