I'm dumb, and don't know if the Alpha is an ARF, or RTF, but you'll end up wanting/needing a good bit of stuff regardless. I hunted down a couple of message threads for you that go into what you need fairly in depth. Here's what is needed for a basic field box:
[link=http://www.rcuniverse.com/forum/Field_Box%2D_is_this_all_you_need%3F%3F/m_1368236/tm.htm]Basic field kit thread - Click Me![/link]

And here's a message thread with a bit more detail on what it takes to get into the hobby, and the costs involved including basic building supplies. Go down about halfway on the page and it gets interesting:
[link=http://www.rcuniverse.com/forum/Help_with_Starting_out/m_1348837/tm.htm]Getting into the hobby - Click Me![/link]