New building rewards

[Nick416]

Does anyone know the new building rewards for each level up. The info would be appreciated.

[Oh oh Gree]

I don't know them all but at 5/10 you get the final item to upgrade an extra building.
4/10 im pretty sure was some type of equipment. Ak47?
6/10 is a 30,000/30,000 tank.

Past 7/10+ im not at yet.