I've created a Buy Station Cheat sheet to help guide you on what items are in each buy station in each zone in Modern Warfare 3 Zombies.
THIS IS a guide on HOW TO USE BUY STATIONS IN CALL OF DUTY: MODERN WARFARE III ZOMBIES (MW3 ZOMBIES) TO GET SCORESTREAKS, KILLSTREAKS, GASMASKS, ARMOUR, LARGER RUCKSACKS, MERCENARY KEYCARDS AND MORE! YOU CAN BUY AND SELL ITEMS AT BUY STATIONS TO GET ESSENSE AND PURCHASE PERSKS, THE BOX, WEAPONS, PACK-A-PUNCH AND MORE!