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.

Every Sun. All invited to a relaxed pickup game of this spirited team sport played with a flying disc. Note: Overly competitive players are politely asked to leave. 11:15 a.m., Fuller Park, just west of the pool & parking lot (or occasionally across the street). Free. (734) 846–9418, [email protected].

Every Sun. All invited to play one of a wide variety of board games in a casual, friendly atmosphere. Instruction provided. Also, on Aug. 2, game playtesting with Michigame Design Lab (2 p.m.), during which players are invited to try out new board and card games from local designers Bruce Bielawa & Joe Hopkins and provide feedback. Noon–6 p.m., 2459 W. Stadium. Free. sylvanfactory.com.

Talk by U-M School of Environment and Sustainability humanities manager Eric Hemenway on the multi-layered story of the Anishnaabek and their relation to the Gitchi-Gumek (Great Lakes) through thousands of years, through conflict, ceremony, and commitment to home. 1–2:30 p.m., 1800 N. Dixboro Rd. Free; metered parking. (734) 647–7600, mbgna.umich.edu/events. 

All invited to design custom game cards from a favorite trading card game, then print one and put it together with holographic foil. 1–3 p.m., AADL Downtown, Secret Lab. Free. (734) 327–4200.

All invited to taste and note the differences between heirloom tomatoes of all colors, shapes, and sizes from the Project Grow gardens, including oxhearts, saladettes, beefsteaks, cherries, dwarfs, and more. Bring your own beverage. 1–3 p.m., County Farm Park Pavilion, 2230 Platt. Free. Parking is limited. [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. 

Adults and kids age 8 & up invited to compete in a tournament format of this popular Nintendo Switch video game. Participants may bring their own Switch handheld console or borrow one from the library. 1–4 p.m., AADL Downtown, 4th fl. Free. (734) 327–4200.

Docent-led tour of historic building and grounds along the River Raisin, which includes a hydroelectric generator that was one of many southeast Michigan facilities that comprised Henry Ford’s Village Industry project. 1–5 p.m., Sharon Mills Park, 5701 Sharon Hollow (between Pleasant Lake & Sharon Valley rds.), Manchester. Free. (734) 971–6337, washtenaw.org/registerparks.

Every Sun. Thirty-minute tour that uses the museum’s specimens to tell the story of prehistoric whales and dolphins, who had 4 limbs and walked on land. 1:30 p.m., 1105 North University. Free. Limited capacity. Sign up at the welcome desk. (734) 764–0478. 

Taylor (MI) storyteller George Oo, who uses the stage name Fishmonger Stories, performs songs and tells stories from various African traditions. 2–3 p.m., AADL Traverwood. Free. (734) 327–4200.

Aug. 9, 23, & 30. Docent-led tours exploring “Highlights of the Kelsey” (Aug. 9 & 30) and “Favorite Objects and Surprising Stories” (Aug. 23). 2–3 p.m., 434 S. State. Free. (734) 764–9304.

All invited to listen to guild members swap stories or bring their own to tell. 2–4 p.m., Schuler Books, Westgate Shopping Center. Free. annarborstorytelling.org.

All invited to play 9 or 18 holes. Discs available for those who don’t have them. Weather permitting; ground may be muddy. 2–4 p.m., Mary Beth Doyle Park, 3500 Birch Hollow. Free. [email protected], jewelheart.org/chapters/ann-arbor.

Every Thurs.–Sun., June 4–Sept. 28. Local musicians TBA perform at several locations along Main downtown. Rain cancels. 4 p.m. Thurs.–Sun., S. Main between E. Washington & W. William. For the complete lineup, go to mainstreetannarbor.org/a2-summer-streets. Free.

All male singers age 14 & up invited to join this 80-member local men’s chorus to sing 20 men’s glee club standards. 6:30–8:30 p.m., St. Luke Lutheran Church, 4105 Washtenaw Ave. Preregistration requested at measure-for-measure.org. Free. (734) 649–7664.

Every Sun. All invited to join or listen to an instrumental jam session. 7–9 p.m., 318 S. Main. Free. (734) 665–2968.