Without a magnet you can find north and south poles as it is universal that sun rises in east and sets in west so you have to just do that wake up in early morning and stand in an open field and see form where sun rises the direction from which sun rises is the east direction and you stand with your hands wide open with your left hand pointing in east direction that is sun rising position then the direction in which your nose points out is north direction ie north pole and direction opposite to it is south pole.