What solutions have you tried so far? Did you look for solutions on the Developer Hub?
I tried to make add a debounce. I tried to make a script and place each script on one script.
I am not a expert at scripting, but I am good at GUI’s.
First of all, after you would buy the thing there would be a game:GetService(“MarketPlaceService”). The MarketPlace service will detect the purchase made. I do not know how to make a GUI popup because the purchases ones are hard. The GUI would popup using a RemoteEvent that would trigger the GUI to popup when the player purchases it. It would take a lot of scripting to do this and you should learn more about MarketPlaceService and GUI’s.