George Lucas never made the armour. the company that did is still issuing out armour and on their site is a price list I know it's expensive, but it could totally be awesome if you got it. It's only in Euros tho
Here is another link that might prove a little more useful but nonetheless ordering is involved. But he tells and shows most how he did it.
And one last link for now that may prove useful. I looked at a couple pages and most of the tools look like they're found at home. I believe velcro and PVC piping is what was used for most. But check these out and see if they help.