Yes & Know Ages 11 - 111 Invisible Ink Book & Pen Set (YK11)
Prix : 6,88 $
The Invisible Ink 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.Book Includes: Invisible Ink Pen 48 pages of fun games and triviaAges 7+Book Size: 6" x 11"