Children ride bikes along tracks defined on the pavement by yellow lines.
A group of kids are on bikes wearing yellow helmets.
A dad and three children with helmets on, riding bikes.
Children wearing helmets riding bicycles through a training course
Young children ride bicycles along a lined paths by a fence.
Three children are riding bicycles  wearing helmets while a man in a blue shirt helps the smallest child
A group of people wearing green helmets together.
They children are learning bicycle safety and they are wearing helmets.
A few kids are riding bicycles in a parking lot.
A father teaching his son how to ride his bicycle for the first time.