A boy is sitting on a ramp with the flaps up on his dirt bike waiting to go on the course.
A boy is sitting on a ramp with the flaps up on his dirt bike waiting to go on the course. the boy
runs to the ramp and jumps down the track. then comes back and begins moving the pedals on the bicycle and then stands up on the bike. goes on going down the course with other kids and a man on the side watching him. walks away from the ramp and runs into another fellow rider riding a dirt bike.