UV Invisible Ink Pen Set

Create secret notes, treasure-hunt clues, and hidden drawings with UV invisible-ink pens that reveal writing under the built-in black light.

• Choose a single-color pen or the 4-piece set
• Invisible ink appears under UV light
• Compact, mess-free creative activity for kids
• Great for secret messages, party games, and screen-free play

Select your preferred color or the 4-piece set before ordering. Adult supervision is recommended for younger children.