How to redeem a Roblox gift card and check your credit
Use the browser redemption page, check the destination account and understand the difference between credit and Robux.
Roblox
Robux, Roblox Plus and gift card guides: understand purchase options, redemption steps and account conditions.
Robux, Roblox Plus and bundles: know the difference
Separate one-time currency purchases from ongoing benefits and monthly bundles before deciding what suits you.