boy of 5-6 years old hangs on his hands on the horizontal bar in the park

kid energy activity boy hang hands sport park outdoors exercise smile child active playing childhood pullup bar day young action life healthy summer time lifestyle motion little play preschooler leisure primary school enjoy lawn preschool caucasian sports kindergarten enjoyment fun yellow positive optimistic 5year playful one five full growth happy grass green 5-6 years old hangs his horizontal park activities for children physical development