<p>A wheel assembly having multiple small rotatable wheels mounted laterally thereon whereby lateral movement as well as forward and backward movement is provided. A pair of the wheel assemblies is utilized on a hand-propelled wheelchair that can be moved laterally as well as in the standard forward-reverse motion. The wheelchair comprises a frame, one or more axles, a pair of main wheels rotatable on the one or more axles, and a plurality of small rotatable outer wheels positioned laterally on the main wheels.</p>
