Every Sun., Tues., & Wed. Runners of all abilities invited to join a run of 3–5 miles along varying routes from different locations. Rain or shine. Dozer Coffee (8 a.m. Sun. & 7 a.m. Tues.), 112 Jackson Plz., (734) 929–9022 & Fleet Feet (7 p.m. Wed.), 123 E. Liberty, (734) 769–5016. Free. fleetfeetsemichigan.com.

Every Tues.–Sun. All age 6 & up invited into the museum’s labs to use scientific tools and museum specimens. The newest program lets participants try out simulated snake senses to experience the world as if they were a snake. No live snakes. 11 a.m.–3 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org.

Aug. 8, 11, 18, & 29 (different times). A chance for adults to learn the basics of printing with movable type. Noon–2 p.m. (Aug. 8), 5–7 p.m. (Aug. 11 & 18), and 1–3 p.m. (Aug. 29), AADL Downtown, Secret Lab. Free. (734) 327–4200.

Every Tues. All invited to play the classic word game, using the 5th-edition Scrabble dictionary. Bring your own set, if you like. 3:30–8 p.m., Arbor Brewing Company Corner Brewery, 720 Norris, Ypsi. Free. meetup.com/ann-arbor-scrabble-meetup. [email protected].

Aug. 5 & 18. All invited to tour the historical cabin and learn about the Parker family’s daily life in the 19th century. Activities for all ages. 4–7 p.m., Parker Mill County Park, 4650 Geddes. Free. tinyurl.com/wcparc-summer2026.

Every Tues. All invited to play one of a selection of board games, assemble a puzzle, paint miniatures, or try a tabletop role-playing game, all in a friendly, welcoming atmosphere. Also, at 6 p.m., RPG One Shots, introductory games of different tabletop role-playing games perfect for beginners, finished after one session (see website for this week’s game, preregistration strongly encouraged at sylvanfactory.square.site). 5 p.m., 2459 W. Stadium. Free. (734) 929–5877, sylvanfactory.com.

Every Tues. Moderate-paced ride, 20 to 30 miles, along the less-traveled roads west and north of Chelsea. See aabts.org for weather cancelations or delays. 6 p.m. sharp, meet at Aberdeen Bike and Outdoors, 1101 Main, Chelsea. Start location occasionally changes. Free. (734) 662–0205.

Every Tues. & Thurs. All invited to play a low-contact version of rugby. Beginners welcome. 6–7:30 p.m., Riverside Park, 1000 Canal. Free. [email protected].

Every Sun.–Thurs. (different times). All invited to work on their knitting, crochet, weaving, and embroidery projects. 1–3 p.m. (Sun.) & 6–8 p.m. (Mon.–Thurs.), 401 N. Fourth Ave. Free. (734) 780–7867. 

All musicians invited to bring acoustic instruments to trade tunes and play the dance music of French Canada: jigs, reels, waltzes, and so-called “crooked” tunes from Quebec, Acadia, and the Métis traditions. Knowledge of French not required. 7–9 p.m., Pittsfield Twp. bldg., Morris Hall, 6201 W. Michigan Ave. Free. [email protected], aactmad.org/french-canadian-session.

All accordion players and other musicians invited to play polkas and waltzes and other ethnic and old-time music. 7–9 p.m., 44 Wabash (south off Main), Milan. Free.

Every Tues. Women singers invited to join a rehearsal of this local 40-member a cappella barbershop harmony chorus. 7–9:30 p.m., UAW Local 898, 8975 Textile, Ypsi. Free to visitors (dues for those who join). (734) 765–3611, [email protected], voicesinharmonychorus.org.