Highlight holidays and special days with colorful tabs that easily slide into the calendar. Each set includes 17.5" x 23.25" calendar, 12 month labels, 7 days of the week labels, 4 seasons labels, season/weather chart, 33 date markers, 44 holiday/special day markers, Today/Tomorrow/Yesterday chart, weather graph, 2 arrows, and a Discovery Guide with creative activities that teach and delight! 106 pieces per set. Sold as 2 sets.