3-9 Stones
Players : 2
Age   : +5 
skills : improving reasoning and problem solving skills,thinking fast and making decisions.
Rules (3 stones) : whoever get the 3 stones of the same color in a row wins the game.
Rules (9 stones): The players take turn to place their pieces on the board until they run out of all of their 9 pieces. During this phase, if one of the players gets three stones in a row vertically or horizontally,he removes one of the opponent's pieces.