Brennan's Pastel Weathering Set
Add grungy streaks, rust, or dirt, to buildings, structures, vehicles, rolling stock, roadways, fences, retaining walls, etc. This is a two-box set of Earth Tones and Grays - 24 chalks in all. The instructions contain simple, effective weathering techniques that will help you transform even the simplest, shake-the-box kit into an eye-catching model. Every pro has a set of these colors.