The program includes live performances by local and national acts-including Fantasia and Mario-a carnival, exhibits, food, pavilions with educational information on a variety of topics, including financial literacy, health and wellness and home ownership. Hours are 5 p.m.-10 p.m. Friday, noon-10 p.m. Saturday and noon-9 p.m. Sunday. Lots B and C of M&T Bank Stadium, 333 Camden St. Call 410-235-4427 x 211 or go to aahf.net. Free.

Corbit’s Charge Commemoration Weekend: Downtown Westminster celebrates the bravery of Captain Charles Corbit and his cavalry of 90 Union soldiers, who charged 5,000 Confederate Soldiers during the Civil War. The event includes re-enactments, tours, speakers, children’s activities, artisans, exhibits and more at 224 N. Center St. 6:30 p.m.-9:30 p.m. Friday, 10 a.m.-dusk Saturday and 10 a.m.-4 p.m. Sunday. Call 410-848-5294 or go to pccwrt.addr.com. Free.

Fairy Ball 2008: Children are encouraged to dress as a fairy or in pajamas or wear mismatched socks and hear stories and participate in crafts at Barnes & Noble, 1 E. Joppa Road, Towson. Bobbie Hinman, author of The Sock Fairy, will be in attendance. The “ball” starts at 7 p.m. Call 410-296-7021 or go to barnesandnoble.com. Free.

Saturday (June 28):

Bubble Fest: The Chesapeake Children’s Museum, 25 Silopanna Road, Annapolis, hosts outdoor activities with various types of bubble makers from 11 a.m.-2 p.m. Call 410-990-1993 or go to theccm.org. $3 for ages 1 and older.

Fourth of July Spectacular: The celebration, which features a 6 p.m. performance by The Rob Levit Trio followed by an Annapolis Symphony Orchestra concert, takes place at Anne Arundel Community College Stadium, 101 College Parkway, Arnold. Fireworks begin at 8 p.m. Call 410-269-1132 or go to annapolissymphony.org. Free.

The Great Scale Model Train Show: Dealers of model trains and related products from around the nation offer various items 9 a.m.-4 p.m. Saturday and 10 a.m.-4 p.m. Sunday at the Maryland State Fairgrounds, 2200 York Road, Timonium. Visitors can sell their items and view operating layouts. Call 410-730-1036 or go to gsmts.com . $14 per family and $7 per individual, with free return admission Sunday.

Sunday (June 29):

Animal Communication: Retired wildlife biology professor Glenn Dudderar explains how some wild animals, such as wolves, turkeys, frogs and geese, communicate. The program is interactive, and each participant gets a free turkey caller. The Anita C. Leight Estuary Center, 700 Otter Point Rd., Abingdon, hosts the event from 3 p.m. to 4 p.m. For ages 6 and older. Reservations required. Call 410-612-1688 or go to otterpointcreek.org. $3 per person and $10 per family.

Free Family Sundays: “Drawings from Ordinary Objects” features an interactive family tour, which starts at 2 p.m. at the Baltimore Museum of Art, 10 Art Museum Dr., Baltimore. Call 443-573-1700 or go to artbma.org. Free.

Uke-pop Party: Various musicians present live ukulele music in front of Atomic Books, 1100 W. 36th St, from 2 p.m.-5 p.m. Call 410-662-4444 or go to atomicbooks.com. Free.