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 (sight, hearing, and smell) 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 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. [email protected], meetup.com/ann-arbor-scrabble-meetup.

Every Mon.–Thurs. (except Sept. 7). The U-M’s highly disciplined 200+ member marching band or sections thereof can be seen and heard practicing on the new Elbel field, across the street from the old Elbel field. All welcome to find a spot in the bleachers and get a sneak preview of upcoming halftime shows. Rehearsals usually last 1–2 hours. 4:45 p.m., new Elbel Field, Hill at Fifth Ave. Free. (734) 764–0582.

Every Tues. Moderate-paced ride, 20 to 30 miles, along the less-traveled roads west and north of Chelsea. See aabts.org for weather cancellations or delays. 5 p.m. sharp, meet at Aberdeen Bike and Outdoors, 1101 Main, Chelsea. Start location occasionally changes. Free. (734) 662–0205.

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

Sept. 8 & 9 (different times). Local writer and fragrance expert Michelle Krell Kydd, creator of the award-winning flavor and fragrance blog Glass Petal Smoke, leads a guided smelling of 7 mystery scents. 6–7:30 p.m. (Sept. 8) & 1:30–3 p.m. (Sept. 9), AADL Downtown, 4th fl. Free. (734) 327–4200.

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

Every Tues. Singers of all ages and genders invited to join rehearsals of this award-winning a cappella chorus. 7–8:45 p.m., First Unitarian Universalist Church, 4001 Ann Arbor–Saline Rd. Free to visitors; call ahead or check website (dues for those who join). (734) 796–7467, [email protected], hvharmonizers.org.

Sept. 8 & 22. All invited to join an evening of this early American form of hymn singing that uses musical notation with distinct shapes to make learning easier. Songbooks available. No experience required. 7–9 p.m., Riverside Arts Center, Off Center Bldg., 76 N. Huron St., Ypsi. Free. (734) 480–2787, riversidearts.org/shape-note-singing-ypsilanti.