AutoCAD Video Tutorials

Below is a video tutorial on how to make a gear in AutoCAD and animate it. All the commands used are visible. This is my first attempt in making a video tutorial, so please bear with me! Also let me know any and all suggestions.

[video=youtube;EYKJe_IRbyc]https://www.youtube.com/watch?v=EYKJe_IRbyc[/video]