[КорДум]

package{
	import flash.utils.Timer;
	import flash.events.TimerEvent;
	import flash.display.Sprite;
 
	public class RandCircle extends Sprite{
		private var timer:Timer=new Timer(100);
 
		public function RandCircle(){
			timer.addEventListener(TimerEvent.TIMER, onTimer);
			timer.start();
		}
 
		private function onTimer(e:TimerEvent):void{
			var circle:Circle = new Circle();
			circle.addEventListener(MyEvent.REMOVE_ME, onRemoveChild);
			addChild(circle);
			trace(this.numChildren);
		}
 
		private function onRemoveChild(e:MyEvent):void {
			var circle:Circle = e.target as Circle;
			circle.removeEventListener(MyEvent.REMOVE_ME, onRemoveChild);
			removeChild(circle);
		} 
	}
}