CALENDAR,CLING,REUSABLE,NUM Sold as 1 KT. Wipe-Off Calendar Kit with cling numerals is reusable from month to month. Simply write in the days of the month and then erase to start again the next month. Ideal for classrooms with prekindergarten to 12th-grade students, this calendar kit includes cling numerals 1 through 31, cling reminders (No School, Birthday, Meeting, Holiday, Vacation, Practice, Game) and marker.