9 colors + 1 colorless color-changing pen. Through some scientific principles, the colorless color-changing pen is drawn on other colors, and 18 different colors can be superimposed, which is interesting and fun
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Children’s starry sky color changing pen 9+1
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Cool color-changing pens, allowing children to inspire different creativity and effects when painting
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Tapered pen tip: outline different thicknesses from multiple angles to increase the detail of the picture
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Color overlay: white pen superimposed on colored graffiti to form a new color effect
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Breathable pen cap design: prevent children from swallowing and suffocating , and gain life-saving time
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Starry sky pen holder, easy to store and beautiful