multi rotor

Hi, I am am a complete starter at RC quad copters and I a building a SK450 quad. I am 13 and my dad said that before I can put 400 dollars in the air, I need to practice flying first. What is a cheap off the shelf quad copter that I can use to practice. I would like if it were under 60...

Hy, I'm new here :D I want to build a flight control board something like KK2 board. But not necessarily so complicated. I want to build it from scratch, form parts list, design, circuit diagram in Eagle (or other program) to programing it. I know it's hard work. :)) Any idea where can I...