Meet the Mosquito: a 3D printed drone that you can assemble and customize easily. It offers 20 minutes of flight time and can be controlled from a smartphone. It has multiple flight modes and the capability to perform autonomous missions. The developers are planning to introduce arms with LED lights and other accessories for this drone.
The Mosquito is upgradeable over time. It comes with return-to-home and Follow Me functionality. You can get the cheapest version for €675.