Roblox has a huge playerbase but there are more than enough codes to spare as of April 2021, so here's a list of the active ones.

$10-$50 The easiest and most foolproof gift for a Roblox fan is a gift card. You can buy $10, $25, and $50 Roblox gift cards, each of which comes with a set amount of Robux (in-game currency).

You can redeem a Roblox gift card by applying the balance to your account or by using it during the checkout process.