Selena watched Craig walk across to a corner in the room with a bemused expression on her face. What was he going to do?

He pulled out some objects from his robes and chanted a rather odd sounding spell. Suddenly he appeared at the door of the office.

"Wow!" she thought. "How on earth did he do that?!"

Mr. Wickham explained his idea.

"Bravo Mr. Wickham, that was brilliant!" shouted Selena, a bit too excitedly. "After all these years of wizarding and someone has only just come up with this!"

It really was a great idea.