Spring Decor - Wooden Porch Sign Decorating Dollhouse with a "Hello Spring" Sign Materials Needed: Printable wooden "Hello Spring" sign Standard foam board Glue Instructions: Cut the foam board to the same size as the sign. Glue the foam board to the paper with the printed message and flowers. First, glue the short sides of the sign to the back of the board. Lastly, glue the long strips over the short sides for complete coverage.