This was a present for my grandchildren. They are 5 and 3 years old. They love it! I even enjoyed riding it. It was a little bit difficult to mount but my son figured it out on the second try. High quality and great price.
It was not 100 feet, just shy of 80 feet. Had to put up 12 feet as kids would hit ground if lower. So had to build steps to get to it. Kids love it though.
The instructions are very easy to read and follow through. I am very happy with my purchase. I recommend this to anyone looking for a quality zipline kit.