Cover parts of the ball with masks before painting and peel layers back to reproduce precise sample designs across thirty creative levels in the logic puzzle sequel Factory Balls 4, featuring minimalist graphics, simple mouse controls, and careful planning. Test your sharp eye for detail to master every tool and solve increasingly complex manufacturing challenges. Work the assembly line and forge a legendary puzzle-master legacy on Factory Balls 4 Unblocked Games right now—the addictive and brain-teasing Factory Balls 4 Unblocked game is free!