“He told them he regretted that he had missed an early opportunity to invest in Nintendo in the 1970's. "They were just a playing-card company," Watanabe-san said, with a self-deprecating laugh. "Hanafuda. For aunties and little children, you know?" Nintendo's most successful product before they made Donkey Kong was, indeed, a deck of hanafuda playing cards. "What's hanafuda?" Sam asked. "Plastic cards. Quite small and thick, with flowers and scenes of nature," Watanabe-san said. "Oh!" Sam said. "I know these! I used to play them with my grandmother, but we didn't call them hanafuda. I think the game we played was called Stop-Go?" "Yes," Watanabe-san said. "In Japan, the game most people play with hanafuda is called Koi Koi, which means..." "Come come," Marx filled in.” NintendoPlaying CardsProduct SuccessHanafuda Book:Tomorrow, and Tomorrow, and Tomorrow Source: Tomorrow, and Tomorrow, and Tomorrow