The size and shape of science fair display boards can vary, so be sure to check the rules for your particular science fair. Some maximum sizes for most science fairs are 48 inches wide, 30 inches deep, and 108 inches from the floor. Generally speaking, no matter the size, a traditional science fair board is divided into three sections: the main center section, and two "wings" which are folded toward the front. These science fair boards can be made from scratch from heavy cardboard or wood, or can be ordered inexpensively over the internate.

Now, think about the things you'll want to attach to the science fair display board. Some science fairs, and most teachers, have rules or guidelines for what should be attached to the science fair board. These might include cut-out lines of text which detail your original question, which will be your project topic, your hypothesis, results, conclusions, and other information including charts and graphs. The title of your project should always go on the center panel at the top of your science fair display board and be large enough so that people can see it from about three feet away. The other pieces of text can be smaller, and should be placed in a logical order. In other words, let the judges read your hypothesis before they read your conclusions. Several years ago, it was common to use stenciled or cut-out letters mounted on the science fair display board, but now that most students have access to word processors and printers, it is more common for these lines of text to be printed in large letters. There is no rule about this, but be aware that looks do matter at the science fair, and a word printed on a laser printer looks a lot better than one drawn and colored with a marker.