Thanks Junglemum, that's pretty much what I was thinking. However he has now clarified that it wasn't a marble, but a glass bead (flat on one side, curved on the other, and about an inch wide) that he swallowed. Also he is saying the pain is about an inch and a half above his bellybutton, so theoretically the opening to the stomach rather than inside the stomach. I know it sounds harsh but I cannot be bothered to wait in the ER for hours on a Saturday just to be told he is faking it, and I don't want him to have an x-ray if he doesn't need one. Equally I would hate to ignore this and for him to be really ill . What's the number for nurse on call and I will give them a ring? My GP is closed so I can't get in to see him.