Birthday Bulletin Board Cupcakes Display. Print these cupcakes out for your birthday bulletin board where you can write the child's name and birthday on the cupcake base to make a fun and sweet cupcake display! Each month is themed out in a rainbow pattern. Save and re-use or re-print each year! Each cupcake measures about 5"x 5" and print 2 per page for each month. Prints on regular paper.