This invisible ink pen with fine point marker is loaded with special ink that is only visible under UV light. Refills are transparent, the shell color include purple, yellow, rose red, blue, green, red, black. There is an ultraviolet lamp on the t
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Made of ABS plastic, petals design, there are five different colors. It can be applied to glass, plastic, whiteboard, painting, etc. The tip of the
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UV Light Pen Invisible Ink. Invisible/Secret ink pen & built in UV light. You can write or draw on skin but we do advise you to test it out on a small
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