Original Helic Max Sky Walker 1336 Mini 2.4G 4CH 3D Eversion Flying and Running RC Quadcopter with Ball Shaped Protector It can be 360 inverted flying. Switching among flying, running and climbing modes easily by just one button. Ball shaped protector enables it to fly on any kind of land. 2.4G 4CH transmitter for your easy control. Compact and lightweight design.