The Original Yes & Know® Invisible Ink Trivia Game Books: Mythical Creatures | Tree Town Toys
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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. Whether you're settling in for a road trip or enjoying quiet solo play, these timeless treasures deliver brain-teasing fun that feels like magic.
Simple, clever, and endlessly entertaining, this classic is better than ever! Each book includes a Yes & Know® pen in reusable storage tray PLUS 36 pages of magic reveal games & activities!
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