The Constellations Educational Games Group in Adelaide Australia has developed a range of Noughts and Crosses games which are outstanding maths techniques. A famous magic number square found in a painting called Meloncholia by the German Artist Albrecht Dürer is superimposed on a 4x4 playing grid and creates many many thousands of playing combinations. The Star Ship Star Chaser uses the Star Gates created by the magic number grid to travel 'hyperspace' and journey to Earth to share the star map with talented Earthlings.