Yes & Know  Invisible Ink Trivia & Game Book-Ages 10-100

Yes & Know Invisible Ink Trivia & Game Book-Ages 10-100

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Yes & Know  Invisible Ink Trivia & Game Book-Ages 10-100

The special pen reveals the invisibly printed answers. 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. 
Check out all the books in the Yes & Know® Invisible Ink Book series.  

Book Includes: 

    •  special pen
    •  48 pages of fun games and trivia 
Ages 10 and up
Size 6" x 11"