The Board Breaker is a secondary skill object for the Martial Arts skill, the primary one being the Sheng Hai Training Dummy. Sims can only use the Board Breaker once they reach level 2 in the skill. Sims can access these objects without buying them through the Phoenix Academy in Shang Simla. There are several kinds of boards to break with this object, they unlock in this order: * Foam board * Balsa Wood board * Oak board * Thin Stone board * Space Rock block