The Lucky Ba Gua The Ba Gua (an octagonal diagram derived from the ancient Chinese book I-Ching) covers all aspects of our lives. Lighting the Lucky Ba Gua will ensure a happy existence in this world. ◆八卦極 八卦涵蓋日常生活的所有層面，點亮這盞幸運八卦燈，將帶給我們幸福美滿的生活。