The object is for each player is to achieve the colour combination either vertically, horizontally or diagonally in a straight line on the 'top' board corresponding to his card in full view, whilst at the same time, achieving the combination on the reflected 'base' mirror, corresponding to his hidden reflected card. (These do not necessarily have to vertically coincide.) The combination may read either right to left or left to right, vertically, horizontally or diagonally. Contents include: 1 Mirrored playing board 21 Two sided coloured counters 1 Pack of twenty cards - BoardGameGeek