Soda cans are thrown weapons instead of a food item, and it actually does a surprising amount of damage to Zombies. There is 12 Cans in each container. At high levels it is possible to get an instant kill by hitting a zombie with just one can. You get twelve cans per box, two boxes can be found by the picnic area in the park. Usually they kill in just a few hits on any zombie making them a good weapon to use as a last resort. You can throw them by holding down the and pressing .