All, the 9th edition of the Ohio N-Scale Weekend opens to the public today, Saturday, May 20, at 10am, closes at 5pm, opens Sunday, May 21, 9am closes at 3pm. Franklin County Fairgrounds, 4100 Columbia St., Hilliard, OH 43026. Single day admission over 12 years old $5.00. All N Scale Show, 12 layouts, 58 tables of items you may need.