Here is a screenshot from the YouTube video that inspired our treehouse build:

As you can see from the close-up below, they used small branches as the guild rails from the upper floor. I intend to do the same. I am preparing some at the moment, but thought the kids might also want their own branch/s used to help build their treehouse. So please feel free to go branch hunting. Branches of all lengths are welcome. Please remove bark from any branches. I will engrave the name of the child on any branches used, so they will be able to tell which branch is theirs when they come back to visit us after 20 years藍藍