Shorter than any of the students present and looking more house-elf-like than they usually did, the Erkling!Dummies moved out from behind the Professor and towards the nearest students. The five dummies moved in different directions but none went past the line the Professor had drawn up at the front.

They moved slowly at first, giving the students a head start but once they were close enough, they started to speed up...

Come on, students, there were only five of them, after all...