Amazon has the Air Hogs Helix Sentinel First Person View WiFi Drone for $50 with free shipping. List price: $200. Features an HD 120-degree wide-angle lens camera, 720p Wi-Fi streaming video, and the ability to record to your phone and the included 4GB Micro SD card.
Has good Amazon Reviews.
Amazon has the GoolRC T36 Mini RC Quadcopter Drone 2.4G 4 Channel 6 Axis With 3D Flip for $25 - $13 off with coupon 74JZQQ3R at checkout = $12 with free shipping on $25+ or with Prime. Features built-in positioning system, this drone can perform the 360 degree flips roll with one key.
Has excellent Amazon Reviews.