Flying can be risky, and being nervous when flying generally causes more errors than not. I was thinking of ways to practice navigating around objects, over and under them also. This is dangerous for the drone and whatever you may be around. So I came up with a redneck idea... Place two PVC pipes in the ground, about 3m apart, in an open field without any obstructions. Take one Pool Noodle (floaty toys) and place the tip over the PVC Pipe, Arch the noodle over and push it down on the second PVC pipe. Now we should have an object that will still make you crash, but potentially not damage your blades or body if you do come into contact with it.