Beat Cancer Boot Camp Exercise Classes - Udall Park, 7200 E. Tanque Verde Road. Exercise and support classes for cancer survivors and anyone touched by cancer. Meets once a week. 5:30-6:30 p.m. Thursdays. $35 for eight weeks. 546-1601.
Retrospective Fiber Art Show by Betsy Farmer - Unitarian Universalist Church of Tucson, 4831 E. 22nd St. Farmer, a member of the Tucson Handweavers and Spinners Guild and a founding member of PaperWorks, died in 2011. 9 a.m.-1 p.m. today; 11:45 a.m.-1 p.m. Sunday. Free. 748-1551.
Free Comic Book Day Community Food Bank Fundraiser - Charlie's Comic Books, 5460 E. Speedway. Comic book shops around the world celebrate the art form; Charlie's will host local creators, and there will be a silent auction, coloring contest and raffle. 10 a.m.-5 p.m. Free. 320-0279.
Seventh Annual Tucson Blue Ribbon Event - Thoroughbred Nissan, 5163 E. 22nd St. Honor children in foster care. Food, entertainment, kids' activities, face painting, raffle, a gallery of children in Tucson waiting to be adopted, and a special speaking event from members of the foster/adoptive community. 4-7 p.m. Free. 300-0682.
"Wagon Wheels West" - The Gaslight Theatre, 7010 E. Broadway. Comedy musical by the Gaslight Youth Theatre. 11 a.m. Saturdays and Sundays. $12 adults; $10 children. 886-9428.
Market on the Move - Saguaro Canyon Church, 10111 E. Old Spanish Trail. 8-11 a.m. first Saturday of the month. Free admittance; $10 for 60 pounds of produce. 749-9429.
Chile Roast and Salsa Tasting - Bear Canyon Open Air Market, 8987 E. Tanque Verde Road. Learn how to make salsa from all different kinds of vegetables and fruits. Tastings for salsa at 10 a.m. and noon; event runs 9 a.m.-1 p.m. Free. 982-2645.
Cinco de Mayo Celebration - Trail Dust Town-Pinnacle Peak, 6541 E. Tanque Verde Road. Featuring Genaro Moreno & Los Charros de Rincon, Los Changitos Feos, Ballet Folklorico Tapatio, Wild West performer Loop Rawlins, Wild West stunt shows, piñata parties with candy and toys for the kids. Visit traildusttown.com for schedule. 4:30-10 p.m. May 4; 5-9:30 p.m. May 5. Free. 296-4551.
Boy Scout Carwash and Dinner - McCulloch-Wagner American Legion Post 109, 15921 S. Houghton Road. Carwash, for donations, from 7 to 11 a.m. Dinner from 5 to 7 p.m. featuring beef brisket sandwich, sides, dessert and beverage. Proceeds send troop to summer camp. $7 for dinner. 762-5652.
Last Alarm Foundation Fundraiser - Hideout Saloon & Restaurant, 1110 S. Sherwood Village Drive. Last Alarm firetruck exhibit, T-shirts and caps available, 50/50 raffle drawing at 8 p.m. Second Chance performs from 5-8 p.m. May 5: Firetruck, chili cookoff check-in at 2:30 p.m., people's choice drawing 3-5 p.m., winners announced at 5 p.m., 50/50 raffle at 6 p.m. 11 a.m.-8 p.m. May 4-5. Free; $15 to participate in chili cook-off. 751-2222.
Kevin Leman Book Signing - Barnes & Noble, 5130 E. Broadway. Author, psychologist and Tucson resident Kevin Leman will speak about and sign his newest books, "The Way of the Wise" and "What a Difference a Mom Makes." 1-3 p.m. Free. 512-1166.
Monsters, Vipers and Toads - Colossal Cave Mountain Park, 16721 E. Old Spanish Trail. With so many of these scaly neighbors, visitors and residents alike are bound to have regular contact with them during our warm months. 2-4 p.m. $5 per car up to six people. 647-7121.
"Reminders" - Academy Village Long Gallery, 13701 E. Langtry Lane. Watercolor and oil paintings by Chuck Albanese. 9 a.m.-4 p.m. daily. Free. 647-0900.
"Desert Dreams" - Desert Artisans' Gallery, 6536 E. Tanque Verde Road. New works by local artists Bonnie Bedillion, Geri Bringman, David Brown, Paddie Flaherty, Gretchen Huff and Margaret Shirer. 10 a.m.-5 p.m. Mondays-Saturdays; 10 a.m.-1:30 p.m. Sundays. Free. 722-4412.
"Arizona Smith and the Relic of Doom" - The Gaslight Theatre, 7010 E. Broadway. Musical adventure comedy. 7 p.m. Tuesdays-Thursdays; 6 and 8:30 p.m. Fridays and Saturdays; 3 and 6 p.m. Sundays. $18.50; $16.50 students, seniors, military; $8.50 12 and under. 886-9428.
Go to dailystarcalendar.com for more calendar listings and to submit an event at least three weeks in advance.