I need help with making a plot system

Hello! I’m working on a game where you can claim a plot and build whatever you want in it using F3X building tools. I’m not very good at scripting, so I’m not sure how to make my own plot system. I want a plot system similar to the one F3X Building Competition has.

If you know a template for this or a way I could create this system, that would be really helpful.

Thanks!