5 things to do for $5 (or less) this week in the suburbs, Chicago
Health equity
Award-winning science writer Harriet Washington ("Medical Apartheid," "Infectious Madness") discusses "Building Equity in Health Care" at Oakton Community College Room 1604-1606, 1600 E. Golf Road, Des Plaines. Free admission. (847) 635-1738 or oakton.edu. 2 p.m. Friday, April 26
Tree appeal
Take part in Arbor Day with a special breakfast, tree-planting ceremony and park cleanup in Paulus Park, 200 S. Rand Road, Lake Zurich. Free admission. (847) 438-5146 or lakezurich.org. 9 a.m. to noon Saturday, April 27
Abode alterations
The Lake County Home & Garden Show features seminars with renovation experts, a flower and plant sale, cooking shows and more this weekend at the Lake County Fairgrounds, 1060 E. Peterson Road, Grayslake. Free admission. (630) 953-2500 or lakecountyhomeshow.com. 10 a.m. to 5 p.m. Saturday and Sunday, April 27-28
Choo! choo!
Bring the kids to marvel at all kinds of toy trains courtesy of the Valley Model Railroad Club for Model Train Day at Lambs Farm, 14245 W. Rockland Road, Libertyville. Free admission, but fees for crafts, activities and fun pass. (847) 362-4636 or lambsfarm.org. 10 a.m. to 3 p.m. Saturday, April 27
Presidential posters
Learn about political posters through the ages when Elmhurst History Museum executive director Dave Oberg discusses Stars, Stripes & Strategy: A Brief History of the Presidential Campaign Poster at 120 E. Park Ave., Elmhurst. (630) 530-6879 or elmhursthistory.org. 2 p.m. Sunday, April 28