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Invisible Ink: Yes & Know® Book - Ages 8-88

$3.99 $3.19
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Product Description

See how much you know with hundreds of interesting questions on dozens of different topics. Have fun competing with the invisible opponent as you play games by yourself. The Invisible Ink pen reveals the invisibly printed answers!  Check out all 6 books in the Yes & Know® Invisible Ink Book series.  

Book Includes: 
    •  Invisible Ink Pen
    •  48 pages of fun games and trivia 
Ages 8+                 
Book Size: 6" x 11"

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