I took four teenage boys and my tween niece for a birthday celebration in the sky. We had an awesome time challenging ourselves through the series of aerial obstacle courses, each one a bit more daring. This is a well-run operation with lots of safety in mind. You will be fitted for a proper sized harness (see weight/size restrictions on website for big and small), then watch a safety video, then, go through a practice course at near-ground level. The courses are up in the tree cover, so you get some shade. We went in the middle of August and the heat and bugs were not a problem, but we live in Florida. We went around 9 a.m. start time and there was some back up on some courses, but no for very long. If you are afraid you aren't physically fit enough, don't worry, you can stop at any time. Other than people opting out of the final course "the Summit," there were only two occasions I saw anyone come close to quitting a course. In both instances, the on-lookers or guides were able to talk the person through the situation to their successful completion. If you are taking a child under 16, and the child stops the course, you also must leave the course, and vise versa. Though the courses take some strength, agility and balance, it is mostly guts, in my estimation. And I am not a person who does vigorous exercise regularly. Tips: Make a reservation, buy some cheap, snug fitting gloves at the hardware or tool store, pack a picnic, and buy the water option. Also, wear comfortable, but snug fitting clothing to accommodate the harnesses. Have a blast!