Yes & Know Invisible Ink Activity Books! Perfect for Summer Travel!
The traditional entertainment book that has been around for decades of fun for anyone! Unplug and have some creative fun!
Yes & Know Books:
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 6 books in the Yes & Know® Invisible Ink Book series.
• special pen
• 48 pages of fun games and trivia
-Available in following ages: 7-77, 8-88, 11-111
Book size is 6" x 11"