Originally a creativity-enhancing tool for businesses, Rory’s Story Cubes became a phenomenon when parents brought the game home from the office and their kids started playing. The concept is simple: Roll nine dice emblazoned with icons such as a sheep, a cell phone, or a crescent moon—54 in all—and make up a story based on the images that land face-up. “It had a much bigger audience than we’d contemplated,” says inventor Rory O’Connor, a 37-year-old Irish corporate trainer. It’s now the most popular game on Amazon.com, selling more than 150,000 copies since last summer. Says Jason Schneider of U.S. distributor Gamewright: “Retirees say [Story] Cubes and a bottle of wine is a great evening.”

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