UV Invisible Ink Pen with LED Light - Fluorescent Banknote Detector & Creative Magic Ink

This innovative pen features invisible ink that only becomes visible under ultraviolet light, making it perfect for secret writing and fun activities. The built-in LED light doubles as a fluorescent banknote detector, ensuring authenticity in financial transactions. Ideal for creative projects, this pen allows you to explore the magic of writing messages that remain hidden until illuminated by the UV light. Net weight: 10g Manufacture country: China Instructions included: No