Here is my sister and her husband's wedding gift. Made it out of a pallet. Got an engineer print from Staples of the state outline and logo, Cut out the shape, dyed the wood with rub alcohol and food coloring, and painted the logo on. Clear coat over it all. Turned out great! Go Buckeyes!!
Top things to do with kids in Columbus, Ohio, include the State Historical Farm and the Columbus Zoo. See the complete list: http://www.midwestliving.com/blog/travel/top-10-things-to-do-with-kids-columbus/
This one is fairly straightforward. The state of Ohio was nicknamed "The Buckeye State" for the number of Buckeye trees that littered its landscape. It only made sense for the state university to adopt the state nickname.