The invention concerns a stair climber trolley (1) with a lower supporting surface (12), a back (13), handles or grips (14) to be Custom to push/pull the stair climber trolley, a pair of assemblies (2) with three wheels (21) suited to be Custom during the normal advance movement of the trolley (1) and at least one motorised track (3) suited to be Custom to lift the trolley (1) along generically