.Made of high-quality ABS material that is eco-friendly, non-toxic and durable to use. .Inside hidden arris adopt integration of injection molding, reduce joint errors and prevent parts from shrinking or out of shape, reduce lock-ups. .Muscle shape suspension design at corners can increase the contact area, strengthen stability while rotating. .Stronger fault tolerance can make up beginners' weak points in operating the tactics, reduce lock-ups. .Activate your imagination and creativity; Improve your memory and hand flexibility. .Perfect for testing your mental skills and challenging your patience. .Rotate the magic cube with your friends and enjoy the happiness.