While Gameboy Advance SPs can be difficult for one to find there are numerous locations to look other than ebay. An individual may look into LewisGameShop or JJGames.
Try Ebay or Kijiji
eBay
eBay,amazon
eBay
i bought mine of eBay
They should sell it on Ebay.
Phantasy Star is a game that one can play on a hand held gaming system such as Game Boy Advance as well as the Wii. One could purchase this game on Amazon and eBay.
you can get one off Ebay or overseas from Australia
buy a gameboy advance video cartridge on ebay.
if its on game boy advance you will need a link cable you can get 1 from ebay... if its ds its wireless
It is 40$ or you could get it cheaper on ebay or maby jjgames.com
Ebay, craiglist,... There are lots of places, just look for them in the internet.