Press shift key and Click green flag( Turbo mode ) You can enter turbo mode Shift key and Green flag Also you can leave turbo mode Shift key and Green flag again.. You can change total count of the ball by clicking backdrop( white area).Probably you can trace the ball till ball count is 16. You can check the movement by clicking the foot mark.
Each individual ball is moving in a straight line See below http://scratch.mit.edu/projects/12036753/
