I recently built a quad-copter with parts I found on Ebay and HobbyKing. At first I used a X525 (60mm) frame, but after a crash in the field I had to rebuild it and I used a more compact F450 frame. Check out some of the test flights below. Further down you see my playlist with a few science related videos. My most popular video is at the bottom - a Lion Dance training session when i was younger. Enjoy watching and remember to subscribe to my YouTube Channel..

Testing my new HK250 FPV Racer Quad in the open field  

Having fun with my re-designed quad
(check out the night shot with the newly installed LED lights and remote on/off switch)

How to repair the antenna of a Turnigy 9X receiver (Sep 28, 2015)

Quadcopter Test Flight - X525v3 60mm (June 26, 2015)

Quadcopter Test Flight - F450 frame (Sept 20, 2015)