It combines chance and tactics. My 5 year old daughter plays with as much fun as us. She has already figured out how to make wise choices to earn maximum! At the same time, we do math; she knows several calculations at once without having to look for (4x5, 4x4, 4x3, 5x3 ...) The whole family is already hooked, at least for younger kids! In addition, it is very easy to carry around: it has advantages.
