Exchange secret messages, doodles or sketches between your family and friends with these invisible writer pens! Each pen has a black light in the cap so you can read messages written with the invisible ink. As an added bonus, each pen also functions like a regular blue ink pen.
- Dimensions: 8.5 inches x 2.4 inches x 1.0 inches - WARNING: CHOKING HAZARD - Small parts - Not for children under 3 years - Ages 8 and up - Requires three AG10 batteries (included) - Item #: 2233K
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