How do you get the Quidditch ball box in Harry Potter 3 for Play Station 2?

In "Harry Potter and the Prisoner of Azkaban" for PlayStation 2, to get the Quidditch ball box, you need to play through the Quidditch training session. After completing the training, you'll unlock the Quidditch balls. Look for the box near the Quidditch pitch, and you can interact with it to collect the balls. Make sure to complete the necessary challenges to access all areas.