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The small colorful balls are painted with non-toxic materials. ColorKu will help sharpen your Logic and Deductive reasoning skill! The puzzle is solved by placing the remaining marbles on the board so that there is one of each color in each row, each column, and each of the nine 3x3 squares.
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The small colorful balls are painted with non-toxic materials. ColorKu will help sharpen your Logic and Deductive reasoning skill! The puzzle is solved by placing the remaining marbles on the board so that there is one of each color in each row, each column, and each of the nine 3x3 squares.