Toy gyro having gyro ring that can be assembled at both sides

A toy gyro having a gyro ring adapted to be assembled at both sides, comprising an axis body, and a gyro ring comprising a circular attack ring having a through hole in the middle and a screw ring having a through hole, the screw ring disposed within the through hole of the attack ring and configured for removeably connecting the attack ring to the axis body, wherein the axis body is arranged within the through hole of the screw ring, and wherein the screw ring includes a locking structure disposed thereon fitting and engaging with a portion of the axis body for removeably connecting the attack ring to the axis body, a tip and a cover disposed on the axis body, wherein a direction of mounting the gyro ring on the axis body may be turned over vertically, whereby turning over vertical orientations of the attack ring and screw ring on the axis body, provides gyros of different shapes or different heights of center of gravity wherein the screw ring comprises upper and lower cover rings disposed within the through hole of the attack ring, the locking structure comprising upper and lower flanges correspondingly disposed on inner walls of the upper and lower cover rings, the upper and lower cover rings implement the connection with the axis body by means of fitting and catching of the upper and lower flanges and a block structure disposed on the axis body.