Like the tagline says, Jurassic World is now open, which means that moviegoers can experience the many attractions of the dino-centric theme park for themselves. But last summer, Yahoo Movies had the opportunity to visit the set of the fourth installment in the Jurassic franchise and learn some of its secrets. A year later, now that the park (and the film) is officially complete, we can reveal them to you…but only if you can present your admission ticket. (Consider that your warning: Spoilers to follow, so stop now if you haven’t seen the movie.)

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Steven Spielberg suggested the Mosasaurus’ grand finale

The Jurassic Park director didn't visit Jurassic World set while the film was in production. But that doesn’t mean he didn’t earn his “Executive Producer” credit. According to World director Colin Trevorrow, Spielberg made a number of suggestions. For example, take the sequence that introduces Jurassic World’s resident aquatic attraction, the Mosasaurus. We first glimpse the creature during its feeding time, as it leaps into the air to nab its prey — a shark, naturally. (How else would you honor the director of Jaws?) Trevorrow’s idea for the sequence ended with the Mosasaurus getting its snack and dousing park goers with water in the process. But Spielberg encouraged him to go a step further. “He said, ‘No, what would be really cool is, after it eats the shark, the bleachers sink down so the crowd can watch her finish it off underwater and you can see all the blood!’ And I was like, ‘Jesus! Okay, that sounds great!'”





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They really built those Gyrospheres

Though digital magic may have been used to make the dinosaurs run, the Gyrosphere that brothers Zach (Nick Robinson) and Gray (Ty Simpkins) take off-road through the park is a real contraption. During the Hawaii section of the shoot, the ball was loaded onto a track and rolled around on ball bearings, under the watchful eye of a crew member armed with a remote control. “My son got to ride in it,” Trevorrow said. “He was able to ride it forward and in reverse. If only I had had that when I was a child!” We didn’t get a chance to take it for a test run ourselves, but we were shown the full-size Gyrosphere at rest on a soundstage. And producer Frank Marshall teased that the general public might get their very own Gyrosphere experience at some point; according to him, there have been discussions about turning it into an actual attraction at the Universal Studios theme park in Orlando. We call dibs on the first ride!