I know it's a difficult model to build that will require a highly programmable computer radio (or) custom circuitry.
It won't be as simple as sticking two ducted fans on either side of a piece of plywood and watching it hover

. There will be a lot of mixing involved, proper angle of attacks, as well as each rotor being controlled individually by servos. Mechanically and electronically complex, though certainly possible, if you're patient enough

.
Finding Serenity was an awesome movie by the way, it's such a shame it wasn't more popular

.