as3 restting my game

i’m having a bit of trouble figuring how to reset my game. i have a button that will reset when clicked. anyone have any clue what i should do here?

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

[SWF(width="800", height="600", backgroundColor="#E6FCFF")] // changing the width, height and bg color of the page

public class Main extends Sprite
{
    // creating properties
    private var _sittingDucks:Array = []; //always set your arrays with [] at the top
    public var board:ScoreDisplay;
    private var _waves:WaveBase;
    
    public function Main()
    {
        // adding the background, and positioning it
        var background:Background = new Background(); // instantiating
        this.addChild(background); // addChild() adds to display list
        background.x = 30; // positiioning left or right
        background.y = 100; // positioning up or down
        
        for(var i:uint = 0; i < 5; i++) // creates 5 clouds
        {
            //adding the first cloud, and positioning it
            var clouds:Clouds = new Clouds(); // instantiating
            this.addChild(clouds);// addChild() adds to display list
            clouds.x = 130 + Math.random() * 600; //130 to 730
            clouds.y = 230; // positioning 230px
            clouds.speedX = Math.random() * 3; // adding random speeds between each cloud
            clouds.width = clouds.height = 200 * Math.random()//randomly changes the clouds demensions
        }    
        //adding the first cloud, and positioning it
        var _waves:Waves = new Waves(); // instantiating
        this.addChild(_waves);// addChild() adds to display list
        _waves.x = 0;// positioning 0px 
        _waves.y = 510;// positioning 510px
        _waves.speedX = Math.random() * 3;// adding random speeds between the background wave
        
        for(var j:uint = 0; j < 8; j++)// creates 8 ducks
        {
            var ducks:Ducks = new Ducks();// instantiating
            this.addChild(ducks);// addChild() adds to display list
            ducks.x = 100 + j * 100;// positioning at 100px plus, spacing out the ducks at 100px 
            ducks.y = 475;// positioning 475px 
            _sittingDucks.push(ducks); //adding the ducks to the array
            //object.addEventListener(Event.TYPE, Function);
            ducks.addEventListener(MouseEvent.CLICK, ducksDestroy); // event which triggers the click function
        }
        //i tried adding the waves as a forloop like the clouds and ducks, but it never came out right, idk why?
        var _waves2:Waves = new Waves();// instantiating
        this.addChild(_waves2);// addChild() adds to display list
        _waves2.x = 0;// positioning at 0px
        _waves2.y = 520;// positioning at 520px
        _waves2.speedX = Math.random() * 3;// adding random speeds between the foreground wave
        
        var setting:ForeGround = new ForeGround();// instantiating
        this.addChild(setting);// addChild() adds to display list
        setting.x = 0;// positioning at 0px
        setting.y = 50;// positioning at 50px
        setting.width = 920;// setting the width of the curtains at 920px. it wasn't right as default
        
        board = new ScoreDisplay();// instantiating
        this.addChild(board);// addChild() adds to display list
        board.x = 570;// positioning at 570px
        board.y = 35;// positioning at 35px
        board.scoreUpdate(8) //this displays the number of ducks from the start
        
    }
    
    private function ducksDestroy(event:MouseEvent):void
    {
        //store the ducks we clicked on in a new array
        var clickedDuck:Ducks = Ducks(event.currentTarget);
        
        //remove it from the ducks array
        //find the address of the ducks we are removing
        var index:uint = _sittingDucks.indexOf(clickedDuck);
        
        //remove it from the array with splice
        _sittingDucks.splice(index, 1);
        
        //remove it from my document's display list
        this.removeChild(clickedDuck);
        
        board.scoreUpdate(_sittingDucks.length);
        //update the score
        
        //Check if all the ducks are gone
        if (_sittingDucks.length == 0) //meaning, if the amount of ducks is zero, do the code below
        {
            //showing the you win sign after all the ducks are gone
            var win:YouWonSignBase = new YouWonSignBase();// instantiating
            this.addChild(win);// addChild() adds to display list
            win.x = 380;// positioning at 380px
            win.y = 300;// positioning at 300px
        
        }
    }
}

}