Practical gift: This timer can be given as a practical gift to people who like to cook eggs. Easy to use: Put the egg timer and eggs into the pot to easily make soft or hard eggs. No further operation is required. Space saving: The color-changing clock is light and compact, easy to store in the kitchen, and does not take up much space. [Easy to Cook] The egg timer changes color when the boiled eggs reach the soft-hard cooking stage. Safety The egg timer is food grade, heat-, and environmentally harmless.