Part 15 Build a Putt Putt/Pop Pop Steam Boat s12seal straw end @sciencetoymaker

Part 15 Build a Putt Putt/Pop Pop Steam Boat s12seal straw end @sciencetoymaker

Uploaded January 2009 | Updated September 2026, 3 days ago

Part 15 is Step 12, being careful when handling the engine and mixing up a tiny bit more epoxy and using it to seal off the 3 or 4 holes where the straws go into the engine.

You can find more DIY science projects like this at sciencetoymaker.org

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Part 15 Build a Putt Putt/Pop Pop Steam Boat s12seal straw end