AMENON 24 Pack 2 Style Invisible Ink Pen with UV Black Light, Secret Magic Spy Pens for Kids Students, Back to School Supplies, Birthday Gifts,...

Fun Spy Activity Set For Kids: Come with 24 invisible ink spy pen (4 colors: blue, green, yellow, pink, 6 pens for each color), and 24 cards with four different colors detective themes,Kids can use it to paint happily, doodle and write down their own ideas, uncover hidden messages and create their own secret codes. Unique Spy Card Designs: 4 inch detective card themes (4 different colors:red,green,blue,yellow )with rich colors and lovely elements! Each card has a special message, paired with colorful invisible fluorescent pens, making it the favorite gift for children at Valentine's gatherings, with enough for every child in the class to use. Write Your Secret Message: These invisible ink pen with purple light will write your secret message.Once your secret message is written with this spy pens, wait a few seconds shine the light from the cover of the pen and REVEAL MYSTERY OF THE SECRET MESSAGE. Besides, This design with the built-in LED on every pen. This makes every indivi