Multifunctional Luminous Invisible Ink Pen - UV Light-Reveal Magic Pen with LED Detector, 6 Color Options (Plastic Barrel, 13.5cm)

Multifunction Luminous Light Invisible Ink Pen Big Money Detector LED Light Pen Toy Pen
Describe
invisible light pen, the ink is invisible ink, writing can be seen, you need to light to see.
Built-in light, children will write a lot of messages to each other, invisible to the naked eye, light will appear the text
Note: You can write surfaces, but whether you can stay the depends what you write.
If you write paper, it can be kept forever; if you write metal or plastic
It may last long because it can be easily erased due to the properties of metal and plastic.
Pecification
Color: Red, yellow, green, blue,, black,
Weight: about 10g
Material: plastic
Size: about 13.5x1x1cm/5.31x0.39x0.39 inches
Include
1X invisible ink pen
Tips:
1. Due to the different display and lighting effects, the actual color may be slightly different from the picture color.
2. Due to manual measurement, allow a difference of 1-5cm, thank you!
3.Comes with button batteries, the batteries have protective inserts, pull out before use.