Yes & Know - INVISIBLE INK - The Original INVISIBLE INK Trivia Books

Step back in time with the legendary Yes & Know® Invisible Ink Trivia Game Books, now revived with fresh energy!

For nearly five decades, these beloved game books have captivated curious minds with their enchanting invisible ink reveal mechanic. Updated with all-new FULL-COLOR Surprize Ink™ technology, each book combines classic Yes & Know games with themed quizzes, trivia, fun facts, puzzles, mazes, and activities.

Explore fascinating subjects including space, sports, mystery, mythical creatures, animals, and classic games. Whether you're enjoying a road trip, quiet solo play, or sharing the fun with family and friends, these timeless activity books deliver brain-teasing entertainment that feels like magic.

Simply use the included Yes & Know® pen to reveal invisible clues and answers as you play and learn. Each book includes a reusable pen storage tray plus 36 pages of magic-reveal games and activities.

Simple, clever, and endlessly entertaining, this classic invisible ink trivia game is perfect for curious minds and hours of by-yourself fun!

Ages: 7+