Sample

/**
 * Copyright a24 ( http://wonderfl.net/user/a24 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/p7ZQ
 */

package 
{
	import flash.display.Sprite;
	
	[ SWF( width = "465" , height = "465" , backgroundColor = "0xFFFFFF" , frameRate = "60" ) ]
	
	public class  Main extends Sprite
	{
		public function Main()
		{
			var mc1:RotationMc = new RotationMc( 80 , 230 );
			var mc2:RotationMc = new RotationMc( 180 , 230 );
			var mc3:RotationMc = new RotationMc( 280 , 230 );
			var mc4:RotationMc = new RotationMc( 380 , 230 );
			addChild( mc1 );
			addChild( mc2 );
			addChild( mc3 );
			addChild( mc4 );
			mc1.start();
			mc2.start();
			mc3.start();
			mc4.start();
		}
	}
}

import flash.display.Sprite;
import flash.events.Event;

class RotationMc extends Sprite
{
	public function RotationMc( x:Number , y:Number )
	{
		this.x = x;
		this.y = y;
		
		graphics.beginFill( 0x111111 , 1.0 );
		graphics.drawRect( -25 , -25 , 50 , 50 );
	}
	
	public function start():void
	{
		addEventListener( Event.ENTER_FRAME , enterFrameHandler );
	}
	
	public function stop():void
	{
		removeEventListener( Event.ENTER_FRAME , enterFrameHandler );
	}
	
	private function enterFrameHandler( e:Event ):void 
	{
		rotation ++;
	}
}