New! Easy Rolling Magic Master Swinger Sign Changeable Message Board Curb Sign Rolling Swinger Sidewalk Message Board Sign features a white double sided 24" by 36" sign panel. Sign comes with tracks for 7 lines and 314 letters, numbers and symbols measuring 4? in height. Gentle swinging motion commands attention, but withstands up to 30mph winds. Sturdy crossbars provide place to lay sandbags, for added stability. No-slide feet ensure sign won?t move once standing and recessed wheels make moving sign easy.