However, you can "stir" a cauldron virtually in the following ways:
* During the Sorting Ceremony: The Sorting Hat will ask you questions, and your answers will determine which house you are sorted into. This is like "stirring" the cauldron of your personality to see which house you belong in.
* In the Potions lessons: You will be presented with various ingredients and instructions. You need to make the right choices and follow the steps correctly to brew the potions. This is like "stirring" the cauldron by following the recipe and making the right decisions.
* During the various quizzes and tests: You need to choose the correct answer from the given options to pass the test. This is like "stirring" the cauldron of your knowledge to find the right answer.
Remember, Pottermore is a website that offers a rich and interactive experience of the Harry Potter world, but it doesn't allow you to physically interact with objects like stirring a cauldron.