Invisible Ink Pen

CPN-555450018

Harmless and tasteless ink, healthy toy for your kids! Smooth and colorful disappearing inks on t-shirts, paper, skin and any surface! Permanent but washable! With 10 in the bag, you can easily host a kid's birthday party favors stocking stuffer, treasure hunt,escape room,or classroom activity complete with invisible ink clues!Kids love using this kind of pen to keep their secret and play detective spy games. Schools, teachers can buy it for students for a school activity. Add it for any surprise gift bag or as a kids stocking stuffers.