Unmanned aerial vehicles, or drones, have become an invaluable and effective warfighting tool. Their commercial applications are promising. As for their recreational applications, they can always be equipped with Roman candles and used to attack your buddies from the air.
A video uploaded in March by user Andy Stewart shows three shirtless bros playing around in the snow with a quadcopter, which has been retrofitted into a "Roman Candle Attack Drone." Mayhem ensues.