Abstract: Roller board apparatus for supporting a rider on payment or the like comprising a foot supporting laterally compliant surface, support at opposite ends with skate-type wheel units. The lateral flexibility of the riding surface (crosswise to the direction of travel) provides the rider with lateral motion by centrifugal force and leg motion which simulates the lateral compliance experienced in snow and water skiing. This laterally flexible surface is spring-biased to a centered neutral position. Turning is initiated by the rider shifting his or her weight on the laterally flexible surface opposite to the direction of the turn. Stability is maintained by exterior wheels on lateral sides of the board upon a flexible structure and additionally provide forward motion resistance through friction thus allowing the rider to control speed on inclined surfaces by turning.