Intelligent reaction device can sense the barrier of its bottom within 0.5 meters, then automatically raise and keep suspension and going up; Turn on the switch of flying ball, it will automatically fly until the barriers are runing out of; When barrier exhaused, it will land on.

Notice: please do not make it raise from the floor, as there is a automatically reaction device on the bottom of the flying ball; before you make it raise, please let it go horizontally, and do not make it incline more than 30 degrees