Write a message with invisible ink (the green tab) and use the ultra-violet light to reveal

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Seuss’ The Grinch

Dog Man Invisible Ink Pen - 12 per display puzzles Write a message with invisibleDecode secret messages and join Dog Man in being the worlds greatest cop! 4 colorful pen designs feature laser cut characters: Dog Man, Bark Knight, Cat Kid, and Petey. Black ink on one end; invisible ink on the other. Decode messages with secret decoder light. BBlack ink on one end; invisible ink on the other. Pen is approx. 5 long. Laser cut characters are approx. 1 1 2 2 in size. Quantity: 12 Pens Per Display Upc: 20603250720427 Display Size: