Features
Engaging and Mysterious: These invisible ink pens write messages that are invisible in regular light but reveal vivid colors under UV light, sparking curiosity and excitement.
Creative Fun: Perfect for kids and adults, these black light pens are ideal for creating secret notes on paper, fabric, or skin, enhancing creativity and fun.
Multi-functional UV Light: The mini UV LED keychain flashlight can also be used as a currency detector, revealing hidden security features on various currencies including USD, EUR, GBP, and more.
Perfect for Special Occasions: Great for birthdays, parties, Christmas, and Halloween, these invisible ink pens add an element of surprise and intrigue to treasure hunts, riddles, and themed events.
Complete Package: Includes 3 invisible ink pens with blue, pink, and yellow ink, each measuring 5.5 x 0.59 inches, along with 3 compact UV LED keychain flashlights (2.75 x 0.98 inches).
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