For a look at how these Set Pieces and their corresponding GUIs function during end-game play, check out this completion walkthrough:

Use the GUI to let players select their shop type before the script places the model.

When you unlock a Set Piece, a GUI often pops up allowing you to choose between Standard and Luxury variants (if you have the Luxury Set Pieces Rebirth Skill). 🏢 Set Pieces by Floor Each of the 12 floors features a specific theme: Set Piece Type Key Detail 1 Food Court Essential first-floor hub 2 Entertainment focus 3 High-traffic utility 4 Car Display 20 upgrades; lowest for a Set Piece 6 Supermarket Mini version of the Grocery Store 9 Luxury lodging 12 Swimming Pool Final interior Set Piece 💻 Scripting & GUI Modifications