This only works on the phone. If you are on phone and you need know-how. So, if you want to know-how. If you have one gift card but you have no idea how to put use it. Then you need to visit roblox.com. Then you need to go to roblox.com/gamecard.

All you have to scroll down and if there is nothing then you need to scroll side as well. Once you scroll you need to go down. Then it will say enter your pin. That means you need to enter your Roblox gift card which you have got scratched…