Slowly but surely the origins of Project SWORD toys have revealed themselves over the last 7 years. We now know that it wasn't quite as simple as Century 21 acquiring a toy range in Hong Kong as is often stated, but far more complicated.
One of the sources was Japan and its toy and model industry in the Sixties. Here are the three toys so far identified as the likely foundation for their SWORD equivalents [images have inverted colours for the sheer hell of it!].
PROBE FORCE 3
For a full run down of likely origins of the Project SWORD range then check out The New Origins of Project SWORD on this blog. Just Google it.