You'll never overcook boiled eggs again when you use our ingenious Egg-Perfect Timer! It can be so disappointing to find your yolks have gone hard when you pop the top off your boiled egg. This clever little timer ensures perfect soft-boiled eggs every time. Simply place it alongside your eggs in the pan as they cook. The timer will sense the water temperature and judge when your eggs are perfectly cooked. The timer will change colour the moment your eggs are done!