Development Of Left And Right Brain -- Children can play with parents , in the process of playing , develop the left and right brain slowly . Light weight, easy to fly with simple operation, especially designed for beginners. Exercise Hand Eye Coordination -- Children are interested in new things , at this time should cultivate their interests , multi-faceted development . Adopts intelligent Infrared Sensor system , the flying ball can auto induct and adjust its flight height. he included USB charging cable for fast and convenient charging. Light up when charging, light off when fully charged.