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Secure your secrets! With the invisible writing pen, magical messages will only appear when illuminated with the black light. Plus, the passcode lo...

Budding artists and future super spies will be filled with wide-eyed wonder as they create with 20 magic pens! Magically reveal changing colors, cr...

An activity book to beat the boredom blues, packaged with a UV invisible ink pen with built-in revealer light! Battling the I-Have-Nothing-To...