Exchange top secret information with your friends using these spy pens! Simply write your message in the invisible ink and shine the pen’s UV light to reveal!
Included: 2x spy pens are included in the box, 1x red pen and 1x black pen.
Pens includes 3x AG3 batteries, a UV light on its lid which has a button to switch on UV light and is a clear writing pen to conceal your private messages!