This colorful calendar set features vibrant pieces that will add a touch of cheer to your room while you teach and reinforce calendar concepts, seasons, the weather, and more in an engaging way. The 139-piece bulletin board bundle features everything you need to reinforce schedules, important holidays, birthdays, weather, and more. This set includes: calendar (23" x 13.8"), 12 monthly headers (13" x 3.4"), 33 numbered cover-ups (2.7" x 2"), 5 birthday cover-ups (2.7" x 2"), 49 holiday cover-ups (2.7" x 2"), 4 special occasion cover-ups (2.7" x 2"), 14 blank cover-ups (2.7" x 2"), days-of-the-week chart (7.6" x 13.8") with 3 airplane accents (4" x 2.6"), weather chart (10.2" x 7.2") with 4 arrows (2.1" x 1"), season-month chart (8.3" x 10.2") with arrow (2.7" x 1.2"), 5 season overlays (4.2 x 0.6") and 5 happy creatures (largest: 2.2" x 2.6"; smallest: 2.2" x 2.2").