Welcome to PokéCommunity! Register now and join one of the best fan communities on the 'net to talk Pokémon and more! We are not affiliated with The Pokémon Company or Nintendo.
I believe the ones for the DS is about $30. Not too sure though. I paid that for my AR. I would actually suggest getting an Action Replay to the Gameshark. I personally have purchased both and prefer the AR, but of course that's just my opinion and preference.