Crealy Great Adventure Park is a park that gives Exeter visitors another angle on the place, especially if you have already covered the obvious landmarks. It is the kind of stop that works best when you are building a slower day around a neighbourhood, a park, or a cluster of nearby sights rather than racing through a checklist.
The appeal is mostly outdoors, so weather and daylight matter. Bring water, leave some slack in the schedule, and treat the route or grounds as a place to linger; these are usually more rewarding when you are not squeezing them between two timed admissions.