STReight™ balls coloured in 3, 4, 5, 6, 7 or 8 colours or labelled with symbols. The number of balls having the same colour must be equal to the number of colours used. In consequence, the ball set will contain 16, 25, 36, 49, or 64 balls respectively. For more than 4 colours, incomplete /stripe colours could be used. Drawing can be manual, mechanical, or electronic. In addition, the balls can be printed with numbers, symbols, and geometrical shapes.

Coloured STReight balls, for 8-symbol game