COUNTYButler County Historical Society will present “Marketing the Presidency,” a talk by Steve Mihaly, recently retired vice president of the H.J. Heinz in Pittsburgh, at 6:30 p.m. April 16 at the YWCA, 120 W. Cunningham St. Items in the presentation include a James Monroe snuff box promoting the Monroe Doctrine, a Teddy Roosevelt cast iron door stop, and an Eisenhower bar of soap with Ike’s image on it and the words “Clean Up with Ike.” Admission is free but reservations are needed; call 724-283-8116 or sending e-mail to society@butlerhistory.com.The Old Stone House will host the exhibition “Here & There,” exploring batik craftsmanship and techniques used to create the designs on cloth, from 2 to 4 p.m. Saturday and April 16; exhibit admission is free. School-aged children can try basic batik activities both days. School teachers and art camp directors can register students in advance to ensure sufficient materials. For information, call 724-738-4586.Harmony Museum, 218 Mercer St., has tours from 1 to 4 p.m. daily, except when the museum is closed Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youths 6 to 17. Call 724-452-7341.

PITTSBURGHCarnegie Science Center, North Side, hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Admission to the science center is $18.95 for adults and $11.95 for children ages 3 to 12. Visit CarnegieScienceCenter.org.Heinz History Center, 1212 Smallman St., presents “Toys of the ’50s, ’60s and ’70s.” Admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Hours are 10 a.m. to 5 p.m. daily. Visit www.heinzhistorycenter.org.National Aviary, 700 Arch St., presents a baby Linnaeus’ two-toed sloth. Admission is $14 for adults and $13 for senior citizens and children 2 to 12. Hours are 10 a.m. to 5 p.m. daily. Visit www.aviary.org.ToonSeum, a museum of cartoon art, 945 Liberty Ave., concludes on Sunday the exhibits “Alt-Weekly Comics,” a historical retrospective dedicated to the comics of alternative weekly newspapers, and “Fear of a Black Marker: Cartoons by Keith Knight, Gentleman Cartoonist.” Admission is $8 for those 13 and older and $4 for children 6 to 12. Visit toonseum.org.Children’s Museum, Allegheny Square, presents the play, exhibit/art installation TapeScape 2.0, showing unexpected uses for packing tape, through May 22. Hours are 10 a.m. to 5 p.m. daily. Admission is $14 for adults and $13 for children 2 to 18 and senior citizens. Visit www.pittsburghkids.org.Share your newsNews about music, plays, exhibits and other entertainment should be e-mailed to showcase@butlereagle.com or mailed to The Butler Eagle, P.O. Box 271, Butler, PA 16003. Call 724-282-8000, Ext. 297, for more information.