Are you ready to become a real detective? This high - tech Spy Labs pen is your perfect tool for hunting evidence and reading secret messages. The ultraviolet light can reveal many hidden clues. You can exchange top - secret information with friends and fellow agents using this amazing device. The pen uses special ink that only shows up under the ultraviolet light from the flashlight on the other end. You can also use the UV light to discover other glowing objects and materials. With this pen, you can write and decipher invisible secret messages, explore UV - reactive substances like banknote security features. It comes packed in a durable metal tin and is suitable for ages 8 and above.
Using this Spy Labs invisible ink pen is super easy. First, when you want to write a secret message, just pick up the pen and write on the paper as you normally would. The ink is invisible to the naked eye. To read the message, turn on the UV flashlight at the other end of the pen and shine it on the writing. The message will become visible. You can also use the UV light to look for other items that glow, like some security features on banknotes. When it comes to maintenance, keep the pen away from extreme heat or cold. If the pen runs out of ink, unfortunately, it's not refillable, so you'll need to get a new one. And always remember to turn off the UV light when you're not using it to save the battery. Also, since it's for ages 8 and above, make sure younger kids use it under adult supervision.
