46 Piece Set Includes 8 Panels With 2 piece "Let's Shell-ebrate" header, 12 months of the year, and 32 bubbles. Celebrate your students' birthdays with a 46 Piece Set that Includes 8 Panels With 2 piece "Let's Shell-ebrate" header, 12 months of the year, and 32 bubbles. Use the Seas the Day Let's Shell-Ebrate mini bulletin board set to celebrate your student's birthdays. Also a great visual of the months of the year!