Contrary to what you may believe, Obstacle Courses are not simply set ups for kids. You will find that there are actually many such set ups which are very much effective even for the use of adults.
Say for example you have a client looking for a good set up for a company team building activity or event, an obstacle course is the perfect thing to offer. Not only are such things fit for adult use, but they can really and truly foster the bonds of friendship and teamwork especially for a company.
So, if you want to expand your business to cater to more than just children, obstacle courses are your best bet to going the right direction.