Ball shaped craft with lights in the middle.The shape was a ball with in the middle a striping of lights. It looked like the lights random went on and off. It didn´t move in the half hour we have seen it. Sometimes there were lights emitting in the sky like white laserbeams away from the ball. In the half hour the ball suddenly began shaking but still didn´t move.The direction of the object was from Maassluis to the east.