There's the full parts list, six pages telling you that everything's there. You need to check this yourself, just to make sure you have got everything.
There's the official owner's handbook, which is just like every other car handbook and covers routine maintenance and servicing, but not how to build one. Apparently 90% of customers have their's ready build at the factory, which I feel spoils the fun.
Should be building your Scorpion from scratch, you also get a rough guide to self-assembly, written by Phil Price
(Phil, if you see this and want me to, email me and I'll add a link to your home page), which covers how he built
his Scorpion and any pitfalls he found.