Woot offers Waterproof 2.4GHz Four-Channel Quadcopter in $3.99.
Product Features:
2.4GHz controller features: throttle and control sticks, drift trim adjustments, speed button, headless mode button and an electronic information display
LED lights illuminate your aerial experience and assist with flight orientation from the underside of the rotor arms
LCD display on the controller syncs to the aircraft and shows signal strength, channel, headless mode indicator, battery level, speed and trim settings
When in Headless Mode, the aircraft flight direction seen from your viewpoint aligns with the controller directly, regardless of which way the quadcopter is pointed
Aircraft recharges in approximately 120 minutes through a powered USB port using the included cable
Controller operates on four “AA” batteries – “AA” batteries not included
Quadcopter has estimated flight time of approximately 6 – 8 minutes and a maximum operational range of up to approximately 30 – 80 meters
360-degree flip-front, back, left, right just press the key, and you get a continuous roll