10" long tin litho with original key. 1950s. Box nicely illustrated on all sides. Box has obvious wear, corner flaking, split end panel. VG. Toy is very nicely detailed including images of futuristic weapons, exhaust ports with clouds of smoke and crew members at controls. On top is opening hatch. Tank works, travels forward as hatch opens and crew member pops out firing gun. Toy also produces firing sound. Designed to spark although flint is missing. Toy has a few tiny scattered paint nicks and some minor hairline scratches but remains Exc. overall. $300- $500