Our Cartoon Invisible Ink Spy Pen Magic Marker with Built in UV Light comes with 6-8 pens & 3-4 UV light caps. Each pen contains special invisible ink. Children will love writing secret messages then using the included UV light on the cap to reveal the message. Messages can be written on paper, T-shirts, or even skin. Give these pens away as party favors; kids will spend hours playing spy with them. Non-toxic and washable.
- SIZE: 4"L X 5.25" with UV light cap
- SAFE: non-toxic, odorless & washable
- SPY PEN: Use these pens to write secret messages, then shine the UV light from the cap to reveal the message
- GIFT: Great as party favors in goody bags and stocking stuffer
- INCLUDES: Choose from 6 pen set or 8 pen set