Team tennis rocks

1970s classic rockers Kansas perform a concert in King of Prussia to benefit the National Ovarian Cancer Coalition and Fox Chase Cancer Center. The show, produced in conjunction with the local World TeamTennis Pro League team, the Philadelphia Freedoms, takes place at the team's new venue at the King of Prussia Mall. Stadium at 160 N. Gulph Rd. $25 to $35. 8 p.m. www.comcasttix.com; 866-988-8497.

Cheltenham carnival

Partake in the fun as campers in Cheltenham Township's Summer Playground Program present a Playground Carnival at Wall Park, on Church Road near Wall Park Drive in Elkins Park. Highlights include a 40-foot slide, the "Iron Man" obstacle course, a 32-foot climbing mountain, and a dunking booth. Free admission. 5:30 to 8:30 p.m. Rain date is Wednesday. 215-887-6200, Ext. 227.

Saturday

Hatboro car show

More than 500 specialty cars and trucks roll into Hatboro for the 16th annual Moonlight Memories Car Show, presented by the Greater Hatboro Chamber of Commerce. The free event is held from 5 to 10 p.m., with cars lining both sides of York Road, from Fulmor Avenue to Summit Avenue. Bingo offered from 5 to 9 p.m. at the Second Alarmers Association & Rescue Squad of Montgomery County, 118 S. York Rd. 215-956-9540; www.hatboro-pa.com.

BBQ in Trappe

The Speaker's House in Trappe hosts its first Pork Bar-B-Que. $7 gets you a Cajun-style pork sandwich from Satchmo's Sandwich Shop, chips, watermelon, and cold drink. Proceeds benefit the restoration of the Speaker's House. The house will be open for tours from 11:30 a.m. to 4 p.m. Event runs from 11:30 a.m. to 7 p.m. 151 W. Main St. www.speakershouse.org; 610-489-2105.