It is not rare you cooks the eggs hard, as hard as its mother probably? It is always somehow at the time of switching off your stove that you may have to attend the door bell or your telephone ring-right?

Here, see, this plastic ball shaped like an egg that you have to drop it in the pan along with the eggs that you need to cook. When the eggs are boiled to perfection, this plastic ball literally sings to warn you that eggs are ready to eat.

But how will it warn you when you cook eggs that are larger than the usual eggs? Find out here please!