I have heard that an old golf ball in the nest will work. Need to be the kind with wrapped rubber bands. Snake eats it thinking it to be an egg and his digestive juices melt the outer cover and the band stare coming apart blowing him up from the inside. I don't know if it works or if they even make this type golf ball any more. you used to be able to get glass eggs just for this purpose, but I would have no idea where to find one now. miles
