The Just Teach Happy Birthday mini bulletin board set includes these 27 pieces: -1 "Happy Birthday" banner (3 pieces) -1 "Oh happy day!" banner -12 birthday hats -11 balloons This cheerful bulletin board set makes it easy to display your students' birthdays! The Schoolgirl Style line of contemporary classroom accessories takes the guesswork out of styling, managing, and perfecting classroom design. Each collection, designed by Melanie Ralbusky, offers a signature look that transforms empty spaces into extraordinary environments for students to enjoy.