Since the art lesson had only 45 minutes, the students did not have time to finish everything, which did not bother me, because I could use their drawings in the next lesson. I did the same with eights. I explained everything to them again, and to emphasize what I really didn't want them to do, I showed some works from the seventh grade, where there was only a sheet in the middle of the paper.
I did the same with eights.