TechRabbit offers the Parrot Hydrofoil Orak Drone in Black or White for $19.99 with free shipping. That’s a $10 drop from two weeks ago and the lowest price we’ve seen. (It’s the best deal today by $10.) It can be used as a boat or drone and features a 640×480 camera and speeds of 6 mph in water and 11 mph in the air. Deal ends May 3.