When returning from a hard potions class, it's hard enough mustering the energy to make a cup of refreshing tea.  Imagine then having to continuously stir said cup of tea.  One could possibly pass out from the strain.  Luckily those clever Wizards have devised a way to avoid this exertion.  Introducing the Self Stirring Cauldron Mug.

This magical Cauldron mug will help you brew a perfect concoction with its stirring action.  Simply press the button on the side of themug and watch your drink magically stir itself.