LEGO TECHNIC - réf. 8854 : LEGO Technic box n° 8862 comprising a mobile crane with telescopic jib with hook, lifting and extension controlled by pneumatic jacks ("pneumatic" system) activated by levers and hoses, presented assembled with the original illustrated box and instructions, circa 1989 (dimensions of the assembled model : approx. 18x13x31cm - wear from use, completeness of the set not checked, as is).