X Box 360 - How to open?

[Old Sparky]

You need a case tool, but this guy does it without; https://www.youtube.com/watch?v=qaxIB6cXTYM

That You Tube Video is very helpful. The X Box 360S Console is actually the model in question. However I might have guessed that it was all 'snapped' together, and the guy does warn that some plastic clips may break during dismantling, so, forewarned, I'll have a go!