Invisible Ink Pen, Magic Marker for Kids, Vanishing Pen with Built-in UV Lamp, Ideal Kids Gift Ideas and Safety Markers

• 【Invisible Ink Pen】: Invisible Ink Pen is a safe and odorless ink that is a healthy toy for your child Smooth and colorful ink disappears on t-shirts, paper, skin and all surfaces Permanent but washable You can easily host birthday parties, treasure • 【Built-in UV light】: It's a good idea to mount a UV light to the lid so you don't have to buy replacement lights. Everything is included so your kids and their friends can immediately play with those secret messages they write. • 【Write Your Secret Message】: Use the DMG invisible ink pen, spy pen to write secrets on our greeting cards. After writing your secret message with this invisible ink pen, wait a few seconds for the light on the pen cap to shine and reveal the secret • 【Great Value Packaging】: 7PCS invisible pens in bulk. Batteries are included and installed. The reusable invisible pen with built-in light comes in 7 different colors. The color of the light is blue and it will display words written in clear ink. • 【Fun Party Favors】: Parents can buy or holiday wishes for their kids at home. They can play games like escape, hidden treasure, puzzles, detective games, skin tattoos and more. Great for invitations, family events, school events, parties.