No, this is not an entomology convention. Baltimore Big Flea is the debut of a large-scale antique and collectible show, which has previously taken place in D.C. and Virginia. The Timonium Fairgrounds Cow Palace offers space for 800 vendors, and merchandise ranges from period furniture to vintage toys. Baltimore Big Flea takes place Saturday, Oct. 24 9 a.m.-6 p.m. and Sunday, Oct. 25 11 a.m.-5 p.m. If you go: The Timonium State Fairgrounds is located at 2200 York Road, Timonium. Call 757-430-4735 or go to damorepromotions.com. Here are some of the items you might find.