Array
(
    [0] => BallWeight Object
        (
            [ball_weight:BallWeight:private] => 2000
            [ball_material:BallMaterial:private] => stål
            [color:Ball:private] => red
            [radius:Ball:private] => 12
        )

    [1] => BallWeight Object
        (
            [ball_weight:BallWeight:private] => 100
            [ball_material:BallMaterial:private] => gummi
            [color:Ball:private] => blue
            [radius:Ball:private] => 12
        )

    [2] => BallWeight Object
        (
            [ball_weight:BallWeight:private] => 10
            [ball_material:BallMaterial:private] => tyg
            [color:Ball:private] => red
            [radius:Ball:private] => 12
        )

)