I have a school locker, but what's the script for put your tools inside?

I need a script for my locker that I am making for my fantasy school, it is a locker that when the player clicks on said button that says "Claim" he is the owner and a graphical interface opens for the password user, because the player enter your password or create one with only 4 digits, well when the player puts "Done!" then that window closes and a frame appears that only the owner can see what he has, such as his books, meals, desserts, etc. . And also that the player can personalize their lockers with beautiful stickers for the inside door and that the player can also change the color as they want (but if the player does not have said Paintbrush game pass, then a frame opens saying "you must have the game pass "PaintBrush" to color your locker "Can someone help me, I need it urgently!