Material safety: this egg timer is made of odourless, harmless, high-quality and environmentally friendly resin materials, making it safer for you to use and you can safely use eggs with the pot. Heat sensitivity display: with the change of temperature and time, the colour of the egg timer changes from red to white and the colour of the egg from raw to cooked. Egg timer clearly shows heat sensitivity in three colour changing modes. You can choose soft, medium or hard boiled eggs. Easy to use: boil together with eggs. As the eggs boil time, you can observe the discolouration of the product as the temperature rises. When the water warms, the egg timer changes the colour from the outside to the inside. Once the colour has reached the desired ratio indicated on the label and line, the egg can be removed. Can be reused: this is a reusable product, after use, simply clean the egg timer with your hands and place it in the kitchen drawer. Ideal gift: this healthy egg timer is a perfect gift for cooks, family members and all cooking lovers, and it is also an ideal gift for all egg lovers.