What does the digital clock on some desks in School indicate? (AB2) Scott April 01, 2020 18:58 Please see the section "The digital clock" in the School article. Related articles School (AB2) What do the red exclamation marks on the Boosts screen mean? (AB2) I bought No-Ads and am missing out on ad-related benefits (AB2) The difficulty bar never says "ALL SYSTEMS GO!" (AB2) I'm stuck in Story Mode (a.k.a., The Campaign) (AB2) Comments 0 comments Article is closed for comments.