WMF Replacement Part McEgg Egg Cup, Blue Insert, Dishwasher Safe Plastic - Contents: 1x Replacement Insert Blue - Article Number: 6016687620 - Material: Plastic - Replacement part for McEgg Blue 0616687620. McEgg is the cheeky egg cup that lands directly on the breakfast table via snowboard. With a friendly grin, it ensures that your boiled egg doesn't roll away when you spoon it out of the shell. But first, it's time to crack the egg. For this, you use the movable hammer to break the shell and collect the eggshells in the foldable cap.