This kit contains acrylic paints in 4 colours and a medium grain 3D powder.

Base Coat: Paint the entire surface of your project with Anthracite.
Layering: Then apply lighter colour spots on it in layers.
Volume: Mix 3D powder with Anthracite and apply it to a couple of parts.
Finishing Touches: Then, colour it again, only tapping the paint now with the tip of the brush until your surface looks really rusty.