When completing major tasks to repair the Park, you will be given options for decorating certain parts of it. During this time, you can select one of a few different options to change how that part will look when it is all fixed up.

To change your customization option later, tap and hold on what you want to change the appearance of to bring up the customization menu, and select a different option. Tap your selection and the “Build” button to finalize your choice.