canada ROCKWELL mineral watercolor pigment 12 color solid travel magic Acuarela artist beginner art supplies student suppliesWatercolors are made from the original tubes without adding anything, and squeezed directly into the packing grid by hand Pigments are measured in accordance with the paste ml production, drying process, the water inside the evaporation of the remaining pure ore color powder, will form around the high middle concave solid form, different color shrinkage degree, and even cracking. After receiving it, as long as you add some water or media to moisten