4-H is a non-formal educational, youth development program offered to individuals age 5 and in kindergarten to age 19. Ohio 4-H youth development reaches more than 240,000 youth each year – helping kids “learn by doing” through hands-on activities. All 4-H programs focus on active involvement and quality experiences which stimulate lifelong learning of values and skills. 4-H members learn valuable lessons in leadership, communication and collaboration while increasing their knowledge in math, science, technology and a variety of other topics. All 4-H programs focus on active involvement and quality experiences which stimulate lifelong learning of values and skills. 4-H members learn valuable lessons in leadership, communication and collaboration while increasing their knowledge in math, science, technology and a variety of other topics.