Magic Pen Pen lead color: Blue, neutral and replaceable doodle on any other disappears without any mark within 12 hours Magic Pen,invisible secret pen,gift penProduct : 1. Pen lead color: Blue , neutral and replaceable 2. Able to doodle on paper, clothes, sheet, furniture, wall and any other smooth surface3. The handwriting disappears without any mark within 12 hours 4. Green plastics are taken ...
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