This is a excellent condition in working order Original 1970 Remco Nutty Mad Submarine. It measures 6 1/2" long. This is a excellent condition working order Submarine. This has been assembled from a case of Unassembled sets of submarines, The base motorized unit has a design flaw which made all of the units have a stress crack defect in back. Items still work and run but this defect was in all model units.