You’re saying it wrong. It’s Wing-GAR-dium Levi-O-sa, make the “gar” nice and long.
It’s bewitched to look like the sky outside, I read about it in Hogwarts: A History.
‘Minister, listen, please,’ Hermione said, she had hurried to Harry’s side and was gazing imploringly into Fudge’s face.
Harry Potter and the Prisoner of Azkaban
By J.K. Rowling
Just because you’ve got the emotional range of a teaspoon doesn’t mean we all have.