             )
 
             ball.addGestureRecognizer(UIPanGestureRecognizer(target: self, action: "pan:"))
+
+            ball.backgroundColor = UIColor.redColor()
+            view.addSubview(ball)
         }
     }
     

        animator?.addBehavior(push)
    }
    
    func createBalls() {
        for i in 1...5 {
            balls.append(UIView())
        }

        for ball in balls {
            ball.backgroundColor = UIColor.redColor()
            view.addSubview(ball)
        }
    }
    
    func setupBalls() {
        let size = view.bounds.width / CGFloat((3 * (balls.count - 1)))

        for (idx, b) in enumerate(balls) {


        animator = UIDynamicAnimator(referenceView: view)

        setupBalls()
        dynamify()
    }
