Welcome to the Maricopa County 4-H Website. 4-H gives youth that extra edge for life success by offering numerous opportunities to develop leadership, responsibility, citizenship and other life skills. 4-H helps develop competent, caring and actively engaged citizens who strengthen Arizona communities. Through our research-based curriculum and university ties, 4-H opens a world of possibilities to youth and their parents who want to explore their interests — from aerospace to gardening to dog care to robotics to horse to any project you can imagine.