Abstract: Disclosed herein is a caster skate apparatus to be propelled in a direction changeable manner by use of rider's both feet. The apparatus comprises front and rear boards (20, 30) to support both feet thereon, first and second rollers (22, 23) mounted to the underside of the front board at front and rear locations by a predetermined distance, third and fourth rollers (32, 33) mounted to the underside of the rear board at front and rear locations by a predetermined distance, a flexible connector (52) having a predetermined length and connected at opposite ends thereof to the front and rear boards to allow the front and rear boards to independently move within a predetermined range. A rotating center of each of the first and third rollers is spaced apart from an axis, having a predetermined inclination angle with respect to undersides of the respective boards, by a predetermined distance.