Draw, Erase and Repeat!
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Ink disappears with friction using the rubber tip.
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No residue.
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Ink dries quickly.
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No wear or tear on paper.
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Set of 12 assorted colors.
If pen is exposed to extreme heat (>=°60C) , the ink can disappear. To restore color, cool to at least <-10ºC in freezer and ink will reappear.