Flak is the abbreviation of the German Flugzeugabwehrkanone (antiaircraft gun). Effective range of 14,860 m for land targets and 7,620 m for aerial targets. He was able to break a 150 mm armor at a distance of 2 km. The only downside was its size and weight, not only for transportation but also for the purpose of locking the battlefield. Build a Flak cannon on the wheels. The set contains 180 cubes and 2 pieces of soldiers."