Northern Prairie Choral Festival. It will feature two children's choirs, Angelica Cantanti of Bloomington, Minn., and the Algona Area Children's Chorus 3 p.m. Saturday. Otto B. Laing Middle School, 213 S. Harlan St. (515) 887-2603; www.algona.k12.ia.us .
Spring, Sports, Home and Garden Show. Forty booths featuring building materials, sporting goods, boats, golf cars, outdoor landscaping plants, gifts, flowers. 10 a.m.-7 p.m. Saturday; noon-4 p.m. April 15. Belmond-Klemme Junior-Senior High School, 411 10th Ave. N.E. Free. (641) 444-3937.
Bentonsport Historic District Open House. Season opening for craft and antique shops. 10 a.m.-5 p.m. Saturday. Free. (319) 592-3579; www.greefstore.com .
Cache Dache 2007. Catch the newest high-tech craze in hide-and-seek treasure hunting during this all-day event using hand-held global positioning devices. 10 a.m. Saturday. Swan Lake State Park, 22676 Swan Lake Drive. Free. (712) 792-4614; Reservations suggested. carrollcounty conservation.com.
Annual Juried Student Art Exhibition. Noon-5 p.m. today, Saturday and April 15; 9 a.m.-9 p.m. Monday-Thursday; 9 a.m.-5 p.m. Friday. University of Northern Iowa Gallery of Art, 104 Kamerick Art Building, (319) 273-3095; www.uni.edu/artdept/gallery .
Alexander Kobrin. Top winner at last year's Van Cliburn International Piano Competition. Wine tasting will precede the show. 7:30 p.m. Tuesday. Gallagher Bluedorn Performing Arts Center, University of Northern Iowa, 1227 W. 27th St. $15-$35 adults, $12-$25 youths; $7-$16 students, $10 for preshow meal, $6 for preshow hors d'oeuvres. (877) 549-7469. Reservations required. www.uni.edu/gbpac/season/artists/kobrin.shtml or www.ticketreturn.com for tickets.
AntiGravity. Incorporates acrobatic skills from many physical disciplines, merging athletics and aesthetics into its own art form. 7:30 p.m. Saturday; 2 p.m. April 15. Gallagher Bluedorn Performing Arts Center, University of Northern Iowa, 1227 W. 27th St. $15-$35 adults, $1 youths; $7-$16 students, $10 for www.uni.edu/gbpac/season/artists/antigravity.shtml or www.ticketreturn.com .
Children's Art Exhibit. Work by elementary, middle school and high school students from eastern Iowa. Through Friday. Art Department, Warde Hall, Mount Mercy College, 1330 Elmhurst Drive N.E. Free. (319) 363-1323.
High School Art Exhibit. Monday through April 20. Janalyn Hanson White Gallery, McAuley Hall, Mount Mercy College, 1330 Elmhurst Drive N.E. Free. (319) 368-6475; www.mtmercy.edu .
Katie Wolfe, Alan Huckleberry Guest Recital; violin, piano. 7:30 p.m. Tuesday. Daehler-Kitchin Auditorium, Marquis Hall, Coe College, 1220 First Ave. N.E. Free. www.coe.edu .
Cedar Rapids Kernels home opener, against Burlington. The Kernels are the Midwest League Class A affiliate of the Los Angeles Angels. Noon Wednesday. Veterans Memorial Stadium, 900 Rockford Road S.W. $6 lawn seating, $7 plaza seating, $8 club seating, $9 premier seating. (319) 363-3887 or (800) 860-3609; www.kernels.com .
Festival of Bands Guest Band Concert. Featuring Kirkwood Community College Concert Band. 8 p.m. Thursday. Sinclair Auditorium, Coe College, 1220 First Ave. N.E. Free. (319) 399-8581.
Coe College Gold Jazz Ensemble. Special guest Eastern Iowa Brass Band. 8 p.m. Friday. Sinclair Auditorium, 1220 First Ave. N.E. Free. (319) 399-8581.
Festival of Bands Elementary Honor Band Concert. 4 p.m. Saturday. Sinclair Auditorium, Coe College, 1220 First Ave. N.E. (319) 399-8581; www.coe.edu .
Classical Mystery Tour: A Tribute to the Beatles. Cedar Rapids Symphony Pops Concert. 7:30 p.m. Saturday; 2:30 p.m. April 15. Paramount Theatre, 123 Third St. S.E. (319) 366-8203; www.uscellularcenter.com .
Quad Cities home opener, against Cedar Rapids. The Swing are the Midwest League Class A affiliate of the St. Louis Cardinals. Noon Monday. John O'Donnell Stadium, 209 S. Gaines St. $9 box seat, $7 adult general admission, $6 seniors, $6 children general admission. (563) 324-3000; www.swingbaseball.com .
"Cast Out to the Deep: The Call for Confidence and Holiness in Today's Church." At Rogalski Center on the corner of Ripley and Lombard streets. The 25th St. Ambrose University Chair of Catholic Studies Lecture will feature guest speaker Rev. Timothy Dolan, archbishop of Milwaukee. 7 p.m. Wednesday. St. Ambrose University, 518 W. Locust St. Free. (563) 333-6210.
Women's Weekend Out. Weekend of relaxation, shows, cultural events, live music and more. Friday, Saturday and April 15. (800) 462-4692; www.decoraharea.com .
Spring Clean-up Day. Lunch provided. 9 a.m.-2 p.m. Saturday. Dubuque Arboretum and Botanical Gardens, 3800 Arboretum Drive. (563) 556-2100; www.dubuquearboretum.com/ .
Taste of Europe. Progressive dinner with entertainment. Starts at Revelations Cafe with pizza made in an Italian clay oven and with piano jazz. Then walk to Petit Paris, 108 N. Main St. for crepes, fine wine and French music. After dinner travel to Cafe Paradiso, 607 W. Broadway St., for coffee and homemade dessert and a romantic Italian film. Saturday. Revelations Bookstore, 112 N. Main St., (641) 472-6733. Reservations required.
Second Saturdays Run or Ride. 5-kilometer run, 10K run and 20K bike ride. 9:30-11 a.m. Saturday. Lions Park, 80 Eighth Ave. $5 adults, $3 youths younger than 18, free for youths younger than 5. (641) 236-6311; www.bikeiowa.com .
Dark Matters: Max Klinger's Print Cycle "On Death" and Other Ruminations. Artistic reflections on the themes of temptation, abandonment and death. Through April 15. University of Iowa Museum of Art, 150 N. Riverside Drive. (319) 335-1727; www.uiowa.edu/uima .
Iowa Dance Festival. Daily workshops by local and international groups. Street performances, parades and more. Concerts will be at 8 p.m. Friday and Saturday at Robert A. Lee Recreation Center. Old Brick Community Center, 26 E. Market St. $25 button for all events, $5 per workshop, $10 per concert and party/performance. (319) 400-4695; www.oldbrick.org .
"Collected Stories." 7 p.m. Thursday; 8 p.m. Friday and Saturday; 2 p.m. April 15. Riverside Theatre, 213 Gilbert St. (319) 338-7672; www.riversidetheatre.org .
Iowa City Postcard, Stamp and Paper Show. Books, magazines, postcards, political and Iowa pinbacks, old comics, worldwide postage stamps, roadside brochures, television and movie character items. 10 a.m.-5 p.m. Saturday; 10 a.m.-3 p.m. April 15. Johnson County Fairgrounds, 4265 Oak Crest Hill Road S.E. $3 for both days. (319) 400-6498.
Maria Muldaur. 7:30 p.m. Saturday. Lakes Art Center, 2201 U.S. Highway 71, $24 nonmembers, $20 members, $12 students. (712) 332-7029. Reservations suggested. www.lakesart.org .
Waterloo Center for the Arts Film Series. Free film series focusing on morality issues. Today. Waterloo Center for the Arts, 225 Commercial St. (319) 219-4490; www.waterloo-ia.org/arts .
"Astronomy 101: Safe Solar Observing." Learn how to find and observe galaxies, nebulae and star clusters. 6:30 p.m. Thursday. Grout Museum of History and Science, 503 South St. Free. (319) 234-6357; www.groutmuseum district.org/.
Gorgeous Gardens Promenade Garden Class. Master gardeners will provide instruction in the basic steps beginning gardeners should know before planting their first gardens. Participants should bring a spade for digging. Participants may attend either class, but those who attend both the April and May classes will receive a ticket to one of the Gorgeous Garden Promenades on June 30 or July 28. 9 a.m.-noon Saturday. Bluedorn Science Imaginarium, 322 Washington St. Members: $10 adults, $5 children ages 3-12, $25 families (same household). Nonmembers $12 adults, $6 children ages 3-12, $30 families. (319) 234-6357; www.groutmuseumdistrict.org .
34th annual Iowa State Woodcarvers Show. Carvings, raffle, books, tools, wood, coffee, cookies. Noon-5 p.m. Saturday; 11 a.m.-4:30 p.m. April 15. Waterloo Center for the Arts, 225 Commercial St. Free. (319) 277-2213.
Building Try-It. Be an architect for the day. Ages 6-8 will learn the strength of various shapes, participate in problem-solving building challenges and go on a walking tour or architectural detail in downtown Waterloo. 1-4 p.m. Saturday. Waterloo Center for the Arts, 225 Commercial St., (319) 291-4490.
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