Amazon.com, ebay.com, and toywiz.com/bdaman.html are great websites to buy b-daman online.
Crawley Game
You can probably get it at any Gamestop, Best Buy, or Walmart.
Local military surplus stores, websites such as US Cavalry, Cheaper Than Dirt, Evike.
You can buy a copy at amazon.http://www.amazon.com/Lord-Rings-Battle-Middle-Earth-Pc/dp/B000HAUO4A/ref=sr_1_1?ie=UTF8&qid=1364233417&sr=8-1&keywords=lord+of+the+rings+battle+for+middle+earth+2+wrath+of+the+witch+king
The installation code is usually unique to a given Lord of the Rings Battle for Middle earth 3. You will have to look for your lost code or buy a new one.
You don't. You either get battle for middle earth, or you mod Rome total war.
You can't buy them with money, but you can buy them with Battle Points at the Battle Frontier.
You can just buy another booklet from their web site for 10 dollars.
You cannot buy them BUT at the Battle Tower.
When the battle is over,check the battle field.
Games are inteded as an item you have to go out and buy. The only other way is with a crack. That i can't help you with.