You are bidding on an O scale "Vintage Plug-In Transformer? Light Replacement SET+" possibly created in the 1950's in the USA (NY or MI?) by Lionel, that is new in the original unopened package.. Since my Lionel repairman is no longer with me, I'm not exactly sure what these are for, it is just a guess on my part..   The 2 White ones and the Red one are all 2-1/4" long by 1" high.. There is also a clear small (push-in) bulb included at 1" long.  Unusual..  

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