I found out if the eggs chirping etc, its a internal pip, Well this morning I took a egg really quick and put if up to my ears, And I was listening, I dident shrink wrap it did I or does it have to be external????? please tell me yes. I know once you get a external pip you sit back and relax, but Im barley awae of what a interal pip is!!!! sorry im all wound up and excited//// I need to calm myself haha!!!