Art Supplies

SMART INK TRIAL PACK - Thermochromic, Photochromic, Hydrochromic and Photoluminescent Set - Screen Printing Ink Paint SMART INK TRIAL PACK Thermochromic, Photochromic, Hydrochromic and Photoluminescent Set Screen Printing Ink Paint 1 x 50 ml black thermochromic ink changes color with temperature (27°C). 1 x 25 ml of magenta or red photochromic ink (changes color... SMART INK TRIAL PACK - Thermochromic, Photochromic, Hydrochromic and Photoluminescent Set - Screen Printing Ink Paint