Alberta teachers create 400K sardine can postcards to stress issue of class size|Global TV

The Alberta Teachers’ Association is using an unconventional campaign to draw attention to crowded classrooms ahead of the provincial election. Teachers will be distributing 400,000 postcards — that look like sardine cans with kids in them — across the province to highlight the issue of class size.

https://globalnews.ca/news/4957818/alberta-teachers-association-campaign-class-size-sardine-election/