These pens write with an invisible ink, it shows with the attached light. Good for spy games, magic glyphs, enigmas, elven or robotic vision. You are only limited by your imagination.
Type: UV visible ink with light.
These pens write with an invisible ink, it shows with the attached light. Good for spy games, magic glyphs, enigmas, elven or robotic vision. You are only limited by your imagination.
Type: UV visible ink with light.