Registration taken, Ecology Action Center rain barrel workshop; 6 p.m. Oct. 18; space limited, registration required; location provided after registration; $35-$45; ecologyactioncenter.org.
“Foreign Involvement with U.S. Elections: Lessons Learned and Possible Remedies”; 9:30-11:30 a.m. Friday, ISU Alumni Center, Normal; Mornings with the Professors; $15 per class.
Reservations, Ronald W. Reagan Society of Eureka College presentation; 7 p.m. Tuesday, Terrill Rooms, Donald B. Cerf Center, Eureka College: speaker: Bob Spitz, author of “Reagan: An American Journey” with book signing; 877-892-7823 or firstname.lastname@example.org.
Community Shred Day; 9 a.m.-noon Saturday, Heartland Bank and Trust Co., 405 N. Hershey Road, Bloomington; or until truck is filled.
Benefit for Christina Weber Rodriguez; 2 p.m.-midnight Saturday, Colfax American Legion; she has acute myeloid leukemia; bands, kids' bop dance, face painting, bags tournament, silent auctions; pork dinner, 2-8 p.m.; $10 advance; $12 at door; children’s hot dog meal, $5 advance; $7 at door; donations accepted at People’s State Bank of Colfax; 217-372-5149 or 309-826-8033.
Family Farm Fest; 3-6 p.m. Saturday, Barickman farm south of Streator; hosted by state Sen. Jason Barickman, R-Bloomington; preregister at 815-596-9160 or Jason@JasonBarickman.com.
Central Illinois Cannabis Community Monster Bash; 6:30 p.m.-midnight Saturday, Holiday Inn & Suites, 3202 E. Empire St., Bloomington; Halloween costume dance; music, vendors, info booths, support for patients using medical cannabis; $5 with 20 percent of proceeds going to Wish Bone Animal Rescue and Autism McLean; tickets available on Facebook and Eventbrite.