Zombie Free-Build Defense - V1.2

Note to scripters: Im looking for a scripting partner to make this place better! Contact me if you're interested. Be sure to put the title as "Scripting Partner" or I won't read it. --You, are a factory worker for Roblox Factories United. You're faculty is outside of a the city of Lut Gholein, a military testing city. Rumor has it that they've found I way to make stronger soldiers... But something must of gone terribly wrong! You factory has been destroyed by zombies, save a few brick makers, and more are coming! Build a fortress to defend yourself from zombies, or die! ----- Version History: V1.0: Release, 16 zombies with a 500 second waiting period and a 250 second attack period. V1.1: Update: 16 zombies with a 500 second waiting period and a 250 second attack period. Fixed Unlocked Objects and Zombies not appearing. V1.2: Update: 12 zombies with a 250 second waiting peirod and a 250 second attack period. Fixed Zombie stacking, gun dmg, and invisable barries. Changed Map Name.