Write secret messages and reveal hidden clues with the Spy Labs Invisible Ink Pen & UV Light from Thames & Kosmos!
This compact spy tool lets kids aged 8+ explore the science of light and concealment while diving into the world of espionage.
Perfect for spy-themed parties, STEM learning, or everyday imaginative play, this kit includes a dual-function pen filled with invisible ink and a built-in UV light to uncover hidden writing.
Whether passing secret notes or solving coded puzzles, young agents will love the thrill of stealth communication.
Encourage curiosity, creativity, and scientific discovery with this pocket-sized gadget that blends fun and learning in every mission.
Features
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Invisible ink pen with built-in UV light
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Write and reveal secret messages instantly
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Teaches principles of light and perception
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Ideal for ages 8 and up
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Great for spy games, STEM activities, and party favors
