Become a master of espionage when you use this secret message writing set. Each of the two pens in the set write in invisible ink, and they come equipped with a powerful black light UV beam in the cap so you can illuminate the messages you write. This fun writing set makes a perfect gift for any budding spy.
Includes two pens. Each pen contains invisible ink, UV lamp, 4 x batteries for 36 hour battery life. Ages 6+.