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Mississipi steam boat kit, "pop-pop" motor & dynamo - Stock code 5359
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Pop Pop boats
Build a pop-pop boat.
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The Secrets Of The Pop Pop Boat | Hackaday
Pop pop boat - Wikipedia
Build a pop-pop boat.
Build a pop-pop boat.
Build a pop-pop boat.
Second Pop Pop Engine - YouTube
Pop Pop Boat Engine Fitting Instructions – Pop Pop Boats