Xbox 360 slim 250GB with 11 games Call duty black ops 2 and amazing spider man too ?

I have a Xbox in very good condition 250 GB Slim with 11 games 2 of the games is Call Duty Black ops 2 and amazing Spider-man which I paid £80 for these 2 games and there are another 9 games will consider to swap for iPad 2 3g or iPad 3.