MARS — Penn-Mar will hold its annual flea market from 8 a.m. to 2 p.m. May 3 at 2 Gilkey Drive. The market will include a bake sale, lunch items, doughnuts and coffee.

MARS — Mars United Methodist Church will hold a "Sanctuary of Quilts" show from 1 until 8 p.m. Friday and from 9 a.m. until 3 p.m. May 3 at the church on Pittsburgh Street.Old and new quilts will be displayed. Best of Show and People's Choice awards will be given. Visitors can win a Buddy Blue Eyes quilt made by Mars United Methodist women.To enter a quilt, take it to the church sanctuary between 3 and 8 p.m. Wednesday, or between 9 a.m. and 5 p.m. Thursday.For more information, call the church at 724-625-1488 or visit marsumc.org.

GROVE CITY — Teens and adults participating in World Youth Day will sponsor a garage sale and bake sale from 8 a.m. to 1 p.m. May 3 at the Knights of Columbus Hall on Route 208.The fundraiser will support those attending World Youth Day in Sydney, Austrailia, in July.

HARMONY — James Adovasio, founding director of Mercyhurst Archaeological Institute at Erie's Mercyhurst College and co-author of the book "The Invisible Sex," will speak at the Harmony Museum's Stewart Hall at 7 p.m. May 3.

MARS — Mars United Methodist Church will host a Pies, Posies and Peddler Market day from 9 a.m. until 3 p.m. May 3 at the church on Pittsburgh Street.All pies will be made by United Methodist women. Posies will be in flats, potted, or available as Quality Gardens gift certificates. The Peddler Market includes two buildings with vendor and crafter tables.For more information, call the church at 724-625-1488 or visit marsumc.org.

PETROLIA — The Petrolia Volunteer Fire Department will host its Spring Sportsman's Night from 7 p.m. to midnight May 3 at the fire hall. Participants must be 21 or older to attend.

The Lighthouse Foundation will offer free Microsoft Excel classes beginning May 5 at 1302 E. Cruikshank Road.Call 724-898-4673 to enroll.

The Reality Tour, a drug awareness program for youth age 10 and older when accompanied by a parent or guardian, will be held 6 p.m. May 12 at the Butler YWCA, 120 W. Cunningham St. and May 8 at Mars Home for Youth.Registration is required and forms are available at www.realitytour.org. For more information, e-mail carolgreen@candleinc.org or call 724-679-6612. Group reservations are available by request.