TUESDAY

• Today is the deadline to register for a free discussion by Dr. Robert Malarkey, “How to Get the Most Mileage Out of Your Joints,” scheduled for June 22 at 6 p.m. in the Versailles Health Care Center. Register at 937-526-5570.

• Stallo Memorial Library presents Storytime in Paris Street Park, Minster, at 10 a.m.

• Darke County Parks hosts an early morning discovery hike for adults at 8 a.m. and Project FeederWatch, bird-watching, from 9:30 to 11:30 a.m. today and Wednesday in the Shawnee Prairie Preserve, 4267 state Route 502 W., Greenville. Free. Take binoculars for both events. 937-548-0165.

• New Bremen Public Library hosts a Crafternoon activity, Build a Better World, at 1 p.m. and story time for children up to first grade at 6:30 p.m.

• A.J. Wise-Fort Loramie Branch Library, 300 E. Park St., hosts Mommy and Me Playtime for children up to 3, at 10:30 a.m. Free. 937-295-3155.

• Amos Memorial Public Library, 230 E. North St., presents an Armstrong Air & Space Museum program, “Renewable Energy,” for children in kindergarten through fifth grade, at 11 a.m. 492-8354.

• Nationwide Arena, 200 W. Nationwide Blvd., Columbus, presents Roger Waters in concert at 8 p.m. Tickets: $55-$583 plus fees at www.ticketmaster.com.WEDNESDAY

• Tickets go on sale at 10 a.m. for “Disney’s The Little Mermaid” scheduled for Aug. 8-13 in the Schuster Center in downtown Dayton. Tickets at www.ticketcenterstage.com.

• The Washboard Music Festival runs today through June 24 in downtown Logan from 6-10 p.m. Friday, noon to 11 p.m. Saturday and Sunday. Dixieland. Jug Music. Celtic. Blues. Cagun Zydeco. 740-380-2752.

• Today is the deadline to register to see the film, “Being Mortal,” to be screened by Wilson Health Hospice and Mary Rutan Hospital, June 28, at 12:30 p.m. in the Crossroads Business Center, 21 Hunter Place, Bellefontaine. Free. Lunch is included. 498-9335.

• A.J. Wise-Fort Loramie Branch Library, 300 E. Park St., Fort Loramie, offers a drop-in craft, twine neckace, for children in prekindergarten and older from 2 to 5 p.m. Free. 937-295-3155.

• Russia Library hosts storytime, “Legos,” at 6:15 p.m.

• Amos Memorial Public Library presents Mother Goose Time at 10:30 a.m. and Stories in the Park at 11 a.m., both in Riverbend Park, 1400 Constitution Dr. Free.

• AMVETS Post No. 1986, 1319 Fourth Ave., hosts wing night from 4 to 7 p.m. Wings: 50 cents each for dine in; 60 cents each for carry out.

• Stallo Memorial Library in Minster hosts Novel Idea, a book club at 2 p.m. and persents a craft program by Heather Bruns, Essential Oils for Summertime Fun, at 6 p.m.

JUNE 22

• Joint Township District Memorial Hospital and Otterbein St. Marys host a senior supper hour at 5 p.m. in the Meyer Room of Otterbein St. Marys, 11230 state Route 364, St. Marys. Ryan King will present a program, “First Annual Seniors Grand Lake Marathon.” Blood pressure checks at 4 p.m. $7 for meal. 419-394-3335, ext. 1128.

• New Knoxville Community Library hosts story time for children at 10:30 a.m. and a building challenge for all ages at 1 p.m.

• New Bremen Public Library hosts story time for children up to first grade at 10:30 a.m. and a STEAM activity for all ages at 1 p.m. Advance registration required for STEAM at 419-629-2158.

• Piqua Community Farmers Market runs from 3:30 to 6:30 p.m. on the square in downtown Piqua.

• Amos Memorial Public Library, 230 E. North St., hosts Teen Thursday from 2 to 3:30 p.m. and a drop-in for children in grades 3-5 at 3 p.m. 492-8354.