Make Your Own Illuminated Signs

Step 7: Make Lightboard For Lights

Here, a piece of cardboard is cut to fit inside the sign box.  It is painted white to reflect light, and holes are made to accept each of 20 lamps of the string of christmas lights.  For other signs, strings of lights can be joined for more light, or longer strings are available.  I bought a string of 100 today for $2.00.