During communicative activities, punch holes in the papers of students that are off task or not in the target language. Easy to keep track of participation when you collect the papers! Or spin it so a hole punch is positive.
I would love to do this with some of the kids art someday! DIY Colorful Wall Art diy crafts craft ideas easy crafts diy ideas diy idea diy home easy diy diy art for the home crafty decor home ideas diy decorations craft art diy wall art craft wall art