Badger Air-Brush Co. 121 Paint Mixer Stock #121 paint mixer for use with 3/4-ounce, 1-ounce, 3-ounce, and 4-ounce Jars Thoroughly mixes all types of paint Evenly disperses pigment in its base material to assure consistent viscosity of paint from top of the bottle to the bottom Requires 2 AA batteries (not included) Distributed by Badger Company