There's lots of suspense, a few action-packed moments with some hard punches thrown, several explosions, a faked death, and two guards gassed into unconsciousness.
The fact that their target is a ruthless and violent business tycoon is meant to lessen the immorality and illegality of their adventure. Parents need to know that Ocean's Eleven is a slick caper movie that keeps the audience rooting for appealing, clever con artists and thieves throughout.