A unique 3D cube challenge. The idea is to play with two or three people, each of whom is trying to create a square of four identically coloured balls along any one of the six sides of the cube. Insert a coloured ball or change the order of a complete row... then hand the cube to the following player. As the cube fills up the plot thickens. Beware not to help other players to win. There are 27 slots to fill the cube & balls can move position, making this an intriguing game of strategy.