so i have a bunch of pips, its day 21 i stay inside checking the bator every few minutes. the size of the pips dont change.... ugh. all day long i check, i wait to do chores finally when it was an hour and a half late for chores... i check the eggs.. NADA. i go do chores come back in and i have TWO chicks! 2 chicks pipped and zipped in 30 minutes!! GAHHHH lol but YAY lol at the same time i think they waited till right after i went outside and then hatched! lol