You could buy it online.
here to buy yugioh duel disk
Yes, you can buy a duel disk at walmart.
how much is this duel disc
no where
You can't you cannot buy them from shops anymore unless you get from eBay or amazon or some sort of online shop
eBay or toys r us.
go shop buy go shop buy
Toys R Us and Argos.
its not there in riyadh
Argos and Toys R Us.
internet and retailer shops
star chips