The Cathedral of St. Joseph in downtown Baton Rouge invites grandparents, parents and their children to the seventh annual Grand Day on Sunday. The theme is “The Joy of Creation.”

Mass with the Very Rev. Paul D. Counce begins at noon, when all children and their grandparents will receive a special blessing. The Baton Rouge Magnet High Festival Singers will perform during the Mass.

An outdoor street party following the Mass will feature hamburgers, hot dogs, ice cream, pony rides, music, a petting zoo, Bubbles the Camel, face painting and caricature sketching.

All activities and food are free and open to the public. Call (225) 387-5928 for more information.

Cardio on the dance floor

Peoples Health will sponsor a cardio line dancing class with instructor Jackie Porter on Monday in the first-floor hospital classroom at Ochsner Medical Center, 17000 Medical Center Drive.

Registration time is 10:30 a.m., and class begins at 11 a.m. There is no charge to attend.

Participation is limited to 30 people, and reservations must be made by Sunday. Call (800) 561-4127 or visit peopleshealth.com/wellness to sign up.

Search for treasures

Highland Road Community Park will be the launching pad to find hidden treasures all over Baton Rouge during a geocaching session from 5:30 p.m. to 7 p.m. Wednesday.

Use your smartphone or one of BREC’s GPS units to track down geocache containers, some of which may offer a swap; bring a small token or trinket to trade in for something better.

For information, call (225) 272-9200, ext. 559, or email outdooradventure@brec.org.

Cool paper airplanes

Origami master Peter Sze will lead children ages 8 to 11 in folding paper airplanes from 10:30 a.m. to 11:30 a.m. Saturday at Bluebonnet Regional Branch library. Space is limited, so registration is required; call (225) 763-2240.

Introduction to Word 2010

Learn the basics of Microsoft Word from 10 a.m. to noon Tuesday at Bluebonnet Regional Branch Library. No experience is required and equipment will be provided.

Knitting and crocheting

Are you into knitting or crocheting? If so, then Bluebonnet Regional Branch Library is the place for you Oct. 8.

The Bluebonnet Knitting Nook meets from 10:30 a.m. to 12:30 p.m. Limited supplies are available, so bring a pair of U.S. size 8, 9, 10 or 10½ knitting needles and two balls of yarn, if possible, plus a notepad for note-taking. All levels, as well as left-handers, are welcome.

The Bluebonnet Crochet Corner gets together from 3:30 p.m. to 5 p.m. and will teach participants to make an amigurumi cat. Bring a U.S. size E (3.50mm) crochet hook. Limited yarn is available; crocheters are welcome to bring their own.

Contact Southside Advocate Editor Darlene Denstorff by phone, (225) 388-0215 or (225) 603-1998; or email southside@theadvocate.com. Deadline: 2 p.m. Friday.