A road sign has detour arrows on both sides pointing the same way. But suddenly, you make the arrows point the other way! Ending with a colorful and hilarious finish. Includes Rick Fisher's own patter. Be the FIRST to perform Alien Detour ! Sign measures 7 1/2" x 7 1/2" - constructed of heavy sign core board and laminated to prevent smudging! A terrific product and even better price! Easy to do!