We carry a wide variety of zip line kits. The Black Raptor zip line kit is a great value for such a high quality kit. It works for up to 250 lbs and distances up to 150'. Our Hornet zip line kits are also good to 250 lbs and up to 500'. Our heavy duty, high end, commercial rated Torpedo Zip Line Kits are good for up to 350 lbs and much longer distances. There are enough zip line kits here to accomodate any family.