1. A play slide comprising an inclined generally planar slide member adapted for superposition over a stairway, a plurality of rest members carried in downwardly facing relation on the underside of said slide member at horizontally and vertically spaced locations for resting engagement with nether stair treads, side members extending along respective longitudinally margins of said slide member, a generally level terminal portion on the lower end of said slide member for generally horizontal discharge of a sliding child, a pair of side strut members depending from opposite sides of said terminal portion for supporting engagement with a floor surface, said side members each comprising a generally upright wall, and said side strut members each comprising an extension of a respective one of said upright walls, and depending extensions on said upright walls extending to said rest members for reinforcing the latter, each said rest member extending between an opposite pair of said depending extensions.