Human Body 3 in 1 Trivia Quiz Game on Cards NEW: Now available in a mobile version for smart phones and electronic pads. Look for Tiguidoo! on AppStore or Google Store 10 years of age and +, 2 to 6 players, 15 to 55 min. Easy-to-understand rules. Play the trivia quiz or the regular card game. A captivating and dynamic educational game A perfect present for gift exchange