A game board has playing pieces. In the form of indicators which are permanently attached to a game board base. A push button approach that simulates the play of well known games is used to effectively move pieces around a game board. The indicators are push buttons that can occupy either of two positions....http://www.google.fr/patents/US6042117?utm_source=gb-gplus-shareBrevet US6042117 - Game board using two-position indicators
