Yes. There are height and weight requirements specified by the engineers who created these attractions to ensure your safety. The height and weight requirements are as follows: Slides - 48" tall and max weight of 250 lbs, Body Boarding - 42" & Flowboarding (stand-up) - 52". There is no weight restriction for the Flowrider. Life jackets or any sort of flotation device may not be worn or used on the Flowrider or the slides. Parent/guardian permission is required for youth under the age of 18 to participate on the Flowrider in the stand-up position.