July 31–Aug. 2 & Aug. 13–16. Equine competition combining artistry and technical abilities highlighted by graceful freestyle routines set to music. No pets. Concessions. 8 a.m.–5 p.m., 11500 Glenn at Katz (west off Mount Hope Rd. from I-94 exit 150), Grass Lake. Free. [email protected].

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. 6, 13, 19, & 27 (different times). All invited to work on their own projects using the library’s tools, including silhouette cutting machines, die cutters, embossers, and button makers (Aug. 6); 3D printers, laser engravers, and 3D pens (Aug. 13); sewing machines, silhouette vinyl cutters, and heat presses (Aug. 19); and soldering equipment and electronic components (Aug. 27). 5:30–7:30 p.m. (Aug. 6, 13, & 27) & 11 a.m.–1 p.m. (Aug. 19), AADL Downtown, Secret Lab. Free. (734) 327–4200.

Every Sat., Mon., & Thurs. (different AARC locations). Runners of all abilities invited to join either a beginner or advanced group run (Sat.) or a 5K mapped route (Thurs. & Mon.). AARC Traver Village (7 a.m. Sat.), 901 W. Eisenhower; Corner Brewery (6 p.m. Mon.), 720 Norris, Ypsi; and AARC Colonnade (6 p.m. Thurs.), 2621 Plymouth Rd. Free. annarborrunningcompany.com.  

Every Thurs. Moderate-paced ride, 25 to 35 miles, along the less-traveled unpaved roads around Chelsea. Bring a chair and a beverage or snack for a postride tailgate. See aabts.org for weather cancelations or delays. 6 p.m. sharp, meet at Aberdeen Bike and Outdoors, 1101 Main, Chelsea. Email [email protected] for each week’s route. Free. (313) 980–5277.

Every Thurs. Runners of all abilities invited to join this eclectic group of runners ranging from people training for their first 5K to ultramarathoners. Sessions are typically interval-based track workouts, followed by socializing at a nearby brewery. 6 p.m., Ferry Field, State at Hoover. May meet elsewhere if the weather is bad. Free. See walline.wixsite.com/bdtc to sign up for email updates on each week’s workout.   

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. 

Every Thurs. All invited to drop in with broken electronics, furniture, toys, or any other item they’d like to try to repair or repurpose with the help and guidance of AHA members. Repairs not guaranteed. 6–8 p.m., basement of 255 E. Liberty, ste. 225. Free; donations welcome. [email protected], meetup.com/allhandsactive/events.