The extension tubes and macro reverse adapter you can find cheaply on eBay or Amazon. Make sure to get a reverse adapter that fits the front filter diameter of your lens, for example 52mm, and that fits your camera lens mount on the other side, for example Nikon. Make sure to get extension tubes that fit your camera mount as well, for example Nikon.
I filmed this video with my trusty action camera from Sony: https://amzn.to/2XGF2bf
I get all my background music from this awesome service: http://bit.ly/mwepidemic
Sign up for my free newsletter here: https://mwroll.com
Go see more photos on my instagram: https://instagram.com/mwroll/
Or at 500px: https://500px.com/mwroll/