-The world_s tallest gyro drop- Drop Tower at 315 ft. SCARIEST RIDE EVER
-The world_s tallest and fastest wooden roller coaster- Son of Beast at about 200+ feet and about 70+ mph
-The worlds longest wooden roller coaster- The Beast
-Firehawk- A flying roller coaster, makes you feel like you are flying
-Flight of Fear- Roller coaster inside a building: totally dark, but you can still see _some_ things.
But it can cost $45+ to get in depending on what time you decide to go. Normal hours are 10AM-10PM
Cincinnati Reds game
Bengals Game (not sure when you are coming to town)
The Newport Aquarium
LOL- Kings Island would take you all day in its own right though, and you will love it if you like roller coasters and theme parks. Oh, and it has a massive waterpark included in its admission price as well.
Fire Museum 315 W. Court Downtown
http://www.cincyfiremuseum.com/visit.htm��