2 hours is about right But you could spend a whole day there if you pack a lunch and really want to examine everything in detail. It's nice in that way....
About 2 hours if you'd like to Zipline and/or play in the Ohio Fossil Find. Zipline is open to riders 48" and taller, weather permitting, & requires a permission slip signed by a parent or guardian. Waivers are at the front desk and also online to print.
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