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^^Good Points^^
It's good how you did a little animation with Flash as the background, which makes things easier to understand.

^^Needs Improving^^
Well, this is a very empty tutorial. You had the bare minimum of making a button. There is a lot more to making a button, like Up, Down, Over, etc. Also, a tutorial on just buttons better have more than just that. This just had some basic script that can already be found in numerous tutorials. I learned nothing from this.

Good Work

its a good tutorial and I protected it but you must change it because you didnt tell the viewer to convert it into a button.
but overall good work.