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Tooter, what's the red thing in the 4th picture? Some kind of caboose? If so, I think you could build one just a little bit shorter. (How's that for a challenge?)
the words on the sand car as well as the words on the signs, and the words on the engine house are chinese. Whether they are chinese prototypes or based on chinese prototypes I can't tell you.
Same idea, different purpose. Its designed to contain logs during logging operations. An oil boom would be smaller and the bouys would be much closer together.