Who Wrote the Very First Knock-Knock Joke? Every amazing thing we take for granted today started somewhere. This deck explores 150 fascinating firsts, from the first crossword puzzle to the first 911 call to inventions that changed everything. Each card reveals quirky, historical, and downright awe-inspiring facts about the people and moments that made history. Watch the whole family light up as they discover the surprising stories behind everyday things. Get ready for "no way!" reactions and debates about which first was the most important. Ages 10+