Coil BoatAVI
YOUR LINK HERE:
http://youtube.com/watch?v=oTKnfF_x2oE
A pop-pop boat made from a piece of 1/8 copper tube and a Japanese sardine tin. Although the noise isn't as loud as with a pop-pop boat that uses a boiler with a flexible lid, this type is super easy to make and works really well almost every time. You can see how I made it at http://toymakingdad.blogspot.com
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