Here is another racing drone that you can fly indoors and outside to have some fun. The Walkera Rodeo 150 Racing Quadcopter comes with a F3 flight controller for easy adjustment of its parameters. It also has a 3D aerobatic flight mode.
This FPV drone features an ABS construction, 850mAh battery, and HD 5.8G image transmission. It is available for under $220 at this time.