This paper explores the language planning strategies employed by Australian transnational families of Arabic-speaking backgrounds to develop their children's bilingualism in English and Arabic. The paper concludes that the families' transnationalism and strong links with their countries of origin played a significant role in their language planning decisions. The study revealed that the mothers consciously developed their children's bilingualism by means of both planned and spontaneous language management strategies. Semi-structured interviews and a focus group discussion revealed that the mothers used five main strategies, which comprised using the minority language at home, language mixing, reading stories, taking advantage of television shows and travelling to their hometowns. This paper discusses the validity and success of each strategy by comparing them with research findings on other transnational and migrant families around the world.