// Rectangle - Hemel
        Rectangle hemel = new Rectangle(30000000, 125);
        hemel.setFill(Color.SKYBLUE);

        // Rectangle - Grond
        Rectangle grond = new Rectangle(30000000, 30000000);
        grond.setFill(Color.SANDYBROWN);

        // Rectangle - Boomstam
        Rectangle boomstam = new Rectangle(30,50);
        boomstam.setFill(Color.BROWN);
        boomstam.setStroke(Color.BLACK);
        boomstam.setX(135);
        boomstam.setY(210);

        // Circle - Boomtop
        Circle boomtop = new Circle(90);
        boomtop.setFill(Color.GREEN);
        boomtop.setStroke(Color.BLACK);
        boomtop.setCenterX(150);
        boomtop.setCenterY(130);

        getChildren().addAll(grond,hemel, boomstam, boomtop);