Abstract: In combination with a wheelchair having rigid frame members, a detachable child's seat which includes a seat portion, a frame of rigid members attached to and supporting the seat portion, and devices for selectively attaching and detaching the child's seat to the frame members of the wheelchair. The child's seat may be constructed with armrests, a seatback, a footrest, a seat belt and anti-tipping struts. The child's seat mounts on a wheelchair in a position which provides the occupant of the wheelchair with an unimpeded field of view.