Celebrate special days and learn calendar basics in colorful style! Each set includes 106 pieces: 17" x 23.25" calendar, 12 month labels, 7 days of the week labels, 4 seasons labels, season/weather chart, 33 date markers that slide easily into calendar tabs, 44 holiday/special day markers, Today/Tomorrow/Yesterday chart, weather graph, and 2 arrows. Sold as a pack of 2 complete bulletin board sets.