A foldable compact molded stroller and trailer with flexible hitch comprises a rigid plastic molded shell with a rear axle end for supporting two large diameter wheels and a front fork end removably supporting alternatively a front wheel for use in the stroller mode and a trailer cycle hitch assembly attachable to the frame portion of a cycle for use in the trailer mode. The rigid plastic molded shell is conformed into a side-by-side two child holder seat portion with side, rear and front portions for substantially enclosing two forward facing children. A foldable handle is attached to the rear portion of the shell for use in stroller mode. The trailer and stroller combination further includes a foldable roll bar to add further protection of the children. The trailer cycle hitch assembly includes a flexible cycle hitch attachable to a bicycle's rear adjacent horizontal and inclined frame rods.