This Tru-Color Paint Set is ideal for painting railroad models, layout structures and more. Great for airbrushing and drybrushing, this solvent-based acrylic paint is ready to spray out of the bottle, or can be thinned using 709-15 Tru-Color Paint Thinner. Drying time can be extended using 709-310 Retarder. Check out the entire line of paint sets from Tru-Color. WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm.