"Dip a soft, white cloth in warm water, wring out excess, wrap around your finger, and dip in the paste."
"Focus on the stain, not the wall. Excess water can damage paint and drywall."
"Carefully rub the paste over the crayon marks. Wipe away the residue with another clean, damp cloth."
"Use a clean, damp cloth to rinse the area from top to bottom, left to right."
"Dry the wall with another clean cloth, using the same top-to-bottom, left-to-right method
"For small marks, use a white art eraser. If unavailable, try a pink pearl eraser."
"Spot-test first. Use a cotton swab dipped in rubbing alcohol to remove crayon marks."