Invisible Ink Pens - with UV Light Magic Marker Goodies Bags Toy for Fun Kids Birthday Party Bag Fillers Detective Accessory for Children

For invisible messages writing, Kids love detective espionage games with these secret pens. Invisible pen brings you a variety of fun activities such as treasure hunting.Harmless and tasteless ink, healthy toy for your kids! You can write anywhere: T-shirts, paper, skin. Permanent but washable.Great gift for fun party conditions. Different colors make activity more exciting and entertaining. Parents can buy it for their kids party at home. Schools, teachers can buy it for students for a school activity. Add it for any surprise gift bag or as stocking stuffer.Due to the light and screen settings difference, the items' color may be slightly different from the pictures.2. Please allow slight dimension difference due to different manual measurement