[Zuph]

Have they ever flown a quadcopter before? If not, I strongly suggest they start with something cheap like the Syma X1 ($35 on Amazon). It's an amazing value, and incredibly fun to fly. Very forgiving, and mildly hackable.

The biggest benefit is that it lets you build your piloting chops without a huge financial risk. An acquaintance of mine is working to get drones into the hands of professionals who aren't interested in becoming drone experts (Realtors, etc), and he uses the Syma X1 to train folks before giving them the keys to larger, more dangerous and expensive drones.