Specifications:Color:Yellow,Green,Blue,Purple,Pink,Black,RedQuantity:7pcsSize : Approx:5.3*0.47in Material:Plastic Structure:The shell ,Small batteries, The sponge. Battery:3 Button Batterys (included) Features: Multiple Functions and High QualityGreat SPY Party toys for kids. With built in Ultra Violet Light, you can check the secret message immediately.Occasion:Daily life Uses: A very innovative invisible light pen,you have to read the massage with the UV light. Children love to write secret information and notes to each other when they complete their course and students can highlight books and still sell books. Write with the invisible ink pen then light your message with the nini black light to see what was written! Invisible pen brings you an amazing variety of fun applications. Package Included Content: 7pc x UV Black Light Invisible Ink Pen Note: Please allow 0.1-0.3cm differences due to manual measurement, thanks. Due to the light irradiation or computer display difference, there may be a little difference between the colors in the photos and real color.
