Complete ReDesign of Citybuildingkit Unity3d

Hello, i need a Complete new graphic re Design of a Unity3D Asset called "CityBuildingKit" You must be able to create Graphics similar to a current mobile game called "Clash of Clans" Must look as neat and as professional. Having experience dealing with this kit would be a huge bonus, but not needed to take this job. Graphics needed include Town hall, 5 levels which all need a similar but slightly different design Army Camp, 5 levels which all need a similar but slightly different design Barracks, 5 levels which all need a similar but slightly different design Library, 3 levels which all need a similar but slightly different design Gold Storage, 5 levels which all need a similar but slightly different design Silver Storage, 5 levels which all need a similar but slightly different design Gold Mine, 5 levels which all need a similar but slightly different design Silver Mine, 5 levels which all need a similar but slightly different design Cannon, 5 levels which all need a similar but slightly different design *Must be able to turn 360 degrees Archer Tower, 5 levels which all need a similar but slightly different design *Must be able to turn 360 degrees Mortar, 5 levels which all need a similar but slightly different design *Must be able to turn 360 degrees Walls, 5 levels which all need a similar but slightly different design Spear men, 3 levels which all need a similar but slightly different design Archer, 3 levels which all need a similar but slightly different design Thief, 3 levels which all need a similar but slightly different design Knight, 3 levels which all need a similar but slightly different design Battering Ram, 3 levels which all need a similar but slightly different design Floor Terrain Full interface Design, all buttons, shopping interface, menu interface, currencies, etc