BULLETINS - NAARSO Service Bulletin regarding an updated NDT schedule for Pre-2003 Frog Hopper type rides can be downloaded Here!!! Instructions and diagrams on required periodic maintenance and NDT testing for Frog Hopper rides. S&S Frog Hopper NDT . Newly received old bulletins Turbo Drop, Space Shot, Double Shot: Zamperla Inc. A Frog Hopper ride. - YouTube Aug 19, 2015My niece and nephew on the frog hopper. My niece and nephew on the frog hopper. Skip navigation Sign in. Search. Loading.. Close. This video is unavailable. Watch Queue Queue.