i would call your local hobby shop or toy store it looks like a model kit that was put together i am going to guess 20s-30s the first man made plastic came out in 1907 but was very costly most could not affourd it so if theres any plastic on it i am going to say 20-30s thats when plastic became more popular but it looks to be made out of tin its hard to tell from the photos
It's far more modern than the 30 s I've seen similar items at Oshkosh during the air show at the fly market, made by craftsman as decorations, so it could be older but I don't think so...