Invisible Ink Pen 7PCS, With UV Pen Light, Party Favors Toys U2D7 Y5L3 Y5I8 Z1N8

Built-in UV light: Each pen has a built-in UV light that can illuminate your markings, making them easier to view. Invisible ink: The pen tip is specially designed to write with invisible ink, providing kids with a fun and mysterious writing experience.

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