HUGE Dry Erase Schedule Keeper Magnets (12 Pack) Vinyl. 12" x 5" These schedule keepers act as an introductory way of helping students understand time. Add these to your classroom supplies and mark the agenda for each part of the day. This helps students understand the passing of time and better adjust to a routine. Includes 12 magnetic minute hands and 12 magnetic hour hands. Vinyl. 12" x 5". (12 Pack)