Water-soluble colored lead, as its name implies, is colored lead coated with water. Draw what you want first, then color it. Although it is exactly the same as ordinary colored lead when it is not wet, it is like gouache when it is wet. First, pour a glass of water (any water will do), after painting and coloring, dip it in water with a brush, then smear it on the painted picture with a brush like calligraphy, and then wipe all the places to be painted with water. Then wait for it to dry. Note: A cup full of water can no longer be used for drinking water. After painting a color, the brush should be wiped with paper, otherwise the previous color will be mixed with the current color.
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