Going supersonic punkin chunkin
Punkin chunkin is back and better than ever take a look behind the scenes and see how this year chunkers are gearing up for the big event meet the brilliant teams from the punkin chunkin world championships dont miss punkin chunkin on science
Channels: Experiments Mechanical engineering
Tags: Going Supersonic Punkin Chunkin
Uploaded by: benco ( Send Message ) on 09-12-2012.
Duration: 3m 19s
