This guys have put together a nice short video and instructions about how to make an electric skateboard.
http://www.instructables.com/id/Electric-Longboard/
How to make an electric skateboard
This guys have put together a nice short video and instructions about how to make an electric skateboard.
http://www.instructables.com/id/Electric-Longboard/
How to make an electric skateboard 
Wow, I think this would make a pretty cool electronic gift for anyone who loves skateboards. Great video.
thanks for sharing, i like the video has a price in regards to the cost it was to build. good to know before you start.