Invisible Ink Pen Secret Pens with UV Light Spy Pen for Kids Party Favors Magic Marker Pens Ideal for Writing Secret Message

Write Your Secret Message: Use these invisible ink pens with a built-in UV light to reveal your secret messages. The INK of the secret message pens are TRANSPARENT, and the magic pen shells come in colors, make it fun for kids to choose and useSafe and Non-Toxic: Non-toxic, harmless, and tasteless spy pens are safe for kids. The invisible ink works on t-shirts, paper, skin, and more. It's permanent but washableGreat Gift for Party Favors: These magic pens for kids, are perfect for stuffing goody bags or gift bags and party bag fillers, adding fun to Christmas, Birthday, and Halloween partiesReady-to-Use Package: Includes 1/2/5/10pcs of invisible ink pens with UV lights. Use it right out of the package! Recommended for children under 3 with parental supervisionEngaging and Fun: the invisible ink pens are designed to provide hours of entertainment as kids reveal secret messages and drawings with the built-in UV light, making every moment magical and interactive