Radical Run Extreme IV is an inflatable 35 foot long obstacle course. It is a popular rental for party rental companies and is the perfect inflatable bouncy house for your birthday, graduation, festival or summer camp. The original 360 degree obstacle course that started the evolution of obstacle courses years ago is still going strong. The Radical Run Extreme IV has been modified to be the best course in the industry. Beware of imitations there is only one Radical Run Extreme IV, and this is the real thing. Beautiful fit and finish, and quality through out. Whether you call them a bounce slide, moon bounce, bouncy slide, or inflatable - we have what you need.