The art of writing a secret message without being seen. This invisible ink pen is the perfect tool for kids to create their own clandestine communications, from playful notes in a party bag to hidden messages in a treasure hunt.

With 14 different colors to choose from, you can create your own unique invisible ink designs that are both fun and effective. Whether it's writing a secret code or simply adding a touch of magic to a plain document, this pen is sure to spark imagination and creativity.

But what really sets these pens apart is their ability to reveal hidden messages when exposed to light. Watch as your friends and family "accidentally" read the message you've been trying to convey in invisible ink! This UV light technology makes it easy to reveal your secret messages, and kids will love the thrill of uncovering them.

Whether you're a parent looking for a fun and educational toy for kids or an adult seeking a unique party favor, this 14-piece set is perfect for anyone who wants to add a touch of whimsy and secrecy to their life.