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- Cover the surface of the rock with black acrylic paint. Use the purple brush of the rainbow set to paint large surfaces or the red one for small surfaces. Repeat if necessary. Let it dry.
- You can vary the design painted on the surfaces. Make circles, hearts, paint only half, etc ...
- The set of metallic pens offers three different colors: gold, silver, and bronze, in addition to coming with two types of nib: round and point. With this, you can create a multitude of designs, quotes, and details.
For more ideas: