Several pieces, weighing about 18 pounds.  Including 1 gear drive chain combo, a small cam shaft, two drive shafts, four valves and Tapets. one shaft and a couple of other gizmos.   These parts came out of a 1970s rototiller and an old lawn mower.  They are clean and rust free except for a little rust on one of the drive shafts.  All solid steel and ready for your artistic creation.