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
- Children’s starry sky color changing pen 9+1
- Color overlay: white pen superimposed on colored graffiti to form a new color effect
- Ages 3+
WARNING: Choking Hazard – Small parts. Not for children under 3 years.
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