Yes and Know Invisible Ink Series D 10-110
These are the books you remember from your childhood road trips and vacations!
See how much you know with hundreds of interesting questions on dozens of different topics. The special pen reveals the invisibly printed answers. Have fun competing with the invisible opponent as you play games by yourself or with others.
Book Includes: • special pen
• 48 pages of fun games and trivia
Check out all 6 books in the Yes & Know® Invisible Ink Book series.
Perfect for Christmas Stocking or Easter Basket stuffers!