Use bright colors and borders, etc to attract the judges eye. Frames around photos and each written section. In front of display board, on the table, is positioned some of your equipment and your research paper and logs. Your experiment doesn't need to function at the fair. Your work is done.
Some fairs have space limits.
Check this out and be sure to stay within those limits. You may need to carry this a long distance. Stencils or cut letters work best and are neat. Title goes across top of center section or split evenly across 2 panels. Center section should contain visual images.