Mr Hobby® Hobby Gundam MarkerGM406 GUNDAM REAL TOUCH MARKER GREY 3 PEN These are water-based paint to apply realistic looking grime and shades to your plastic models, comes with two tips size, a fine and a larger tip to have better coverage painting area. It is easier to clean up than traditional fine tipped Gundam Markers with just an ordinary eraser. If you are going to turn your Gunpla models into a "after war" or weathering effect, you won't regret having these...