Easy to use: Put the egg 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 ] The egg changes color when the boiled eggs reach the soft-hard cooking stage. Practical gift: This can be given as a practical gift to people who like to eggs. The egg is food grade, heat-, and environmentally harmless. Colour:As Shown Material:Resin Specifications:Solid Line Package Contents: 5 x Egg Boiler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.