Roblox does not allow us to add Robux in your Roblox Account.
So we provide you the gift card which can help you to purchase Robux from official Roblox website.
Redeem your points here and get gift card code.
By contacting us via email or social media, we will send your gift card.
We also send your reward to your online wallet like PayPal.
Redeem your points and your gift card via your registered email.