Daler rowney shimmering colours interference medium set daler rowney 128 900 125 p a set of 4 daler rowney shimmering colours plus a tube of system 3 mars black acrylic paint the perfect starter pack for exploring the stunning effects that you can create with these paints p p daler rowney shimmering colours produce beautiful shimmering effects reflecting ambient light and changing with the angle that they are viewed from they are especially effective when applied to black or dark ba