Where to buy a Roblox gift card A number of high street stores in the UK, including WHSmith, are known to stock Roblox gift cards.

Act fast, though, because this lightning Cyber Monday deal on Roblox gift cards is selling out fast.

While a parent's actual credit card may be linked, within the world of the game, kids spend only fictional currencies - like V-Bucks in "Fortnite," or Robux in Roblox.