CASO Design specializes in unique innovative products that exceed expectations with German design and engineering. The Caso E9 egg boiler prepares eggs in 3 different degrees of hardness - soft medium and hard. Just add water to the water tank arrange your eggs set the desired hardness level using the control dial press the on button and wait for the ready sound. The egg tray and non-stick coated cooking bowls are easy to remove so eggs can be served directly at the table and cleanup is a breeze.