2-IN-1 INVISIBLE WRITER

2-IN-1 INVISIBLE WRITER 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)