From the Manufacturer Welcome to the exciting world of GeminiJets. Our 1:400 scale range of scale diecast metal airliner replicas represent the worlds airlines both past and present. Our models are highly collectible and are all limited editions. As with all limited edition collectibles it is our policy not to reissue models which have previously sold out. We have gone to great lengths to provide you a diecast metal airliner that replicates your favorite aircraft without sacrificing accuracy.