FRIDAY
Wildflower Center. Sprouts. Hands-on preschool program. 10 a.m. Fridays. Wildflower Center, 4801 La Crosse Ave. wildflower.org
Thinkery. Tinkering Tots: Mini Music Makers! 9:45 a.m. Fridays for 2-year-olds; 10:45 a.m. Fridays for 3-year-olds through May 26. $20 a class. Thinkery, 1830 Simond Ave. thinkeryaustin.org
Texas Museum of Science & Technology. Star Party. Look at the stars. 8 p.m. Friday. Texas Museum of Science & Technology, 1220 Toro Grande Drive, Cedar Park. txmost.org
FRIDAY-SUNDAY
“JJ’s Arcade.” Zach Theater and Teatro Vivo present this play about a boy who builds an arcade out of leftover cardboard. For ages 7 and up. 7 p.m. Fridays, 2 p.m. Saturdays and Sundays except April 30, through May 7. 2 p.m. Saturday sign-language-interpreted and sensory-friendly performance. $13-$15. Emma S. Barrientos Mexican American Cultural Center, 600 River St. zachtheatre.org
SATURDAY
Girls in STEM Conference. A day filled with science, technology, engineering and math activities from GirlStart. $35. 10 a.m. Saturday. Travis High School, 1211 E. Oltorf St.girlstart.org.
Austin Nature Day: Bees and Trees. Free. 9 a.m. to noon Saturday. Austin Nature & Science Center, 2389 Stratford Drive.austintexas.gov/ansc
Texas Museum of Science & Technology. Science Saturday: Earth Day.Learn more about ecology. Noon-4 p.m. Saturday. Texas Museum of Science & Technology, 1220 Toro Grande Drive, Cedar Park.txmost.org
Umlauf Sculpture Garden & Museum. Kids Kraft Eco Arts. 9 a.m. Saturday kindergarten through second grade; 11 a.m. Saturday third through fifth grade. $15. Umlauf Sculpture Garden & Museum, 605 Robert E. Lee Road.umlaufsculpture.org
Thinkery. Baby Bloomers for kids infant to 3. Study the the sky. 9 a.m. aturdays. Special guests throughout the month. $5.Thinkery, 1830 Simond Ave. thinkeryaustin.org
Nature Play Hour. Play in the Family Garden. 11 a.m. Saturdays. Wildflower Center, 4801 La Crosse Ave. wildflower.org
BookPeople events. Chelsea Clinton signs “It’s Your World,” 6:30 p.m. Saturday. Liz Garton Scanlon and Audrey Vernick read “Bob, Not Bob!” noon Saturday. BookPeople, 603 N. Lamar Blvd. bookpeople.com
BookPeople story time. Pets are the Best, 11:30 a.m. Saturday; BookPeople, 603 N. Lamar Blvd.bookpeople.com
Barnes & Noble Events: Saturday story times at all locations: “We are Dinosaurs,”Saturday.
Bow Wow Reading with Bonnie the Dog.11:30 a.m. Saturday, Yarborough Branch.
Saturday Family Movie “Miss Peregrine’s Home for Peculiar Children.” 2 p.m. Saturday, University Hills Branch.
Perler Bead Palooza.3 p.m. Saturday, Faulk Central Library.
SATURDAY-SUNDAY
“Elephant and Piggie: We Are in a Play!” The Mo Willems story comes to the stage. 2 p.m. Saturdays and Sundays through April 30. 11 a.m. Saturdays. $16-$21. Zach Theatre’s Kleberg Theatre, 1421 W. Riverside Drive. zachtheatre.org
“Jungle Book Jangal Ki Kahani.” Enjoy the original “Jungle Book” Bollywood style. $8-$12. 11 a.m. Saturday-Sunday, April 29- 30. Scottish Rite Theater, 207 W. 18th St. scottishritetheater.org.
Thinkery. Seed Surprises. Ages 4 and up. Make your own seed-spreading devices. 11:15 a.m. and 1:15 p.m. Saturday-Sunday. Biomes in a Bottle. Ages 8 and up. Engineer a seed. 3:15 a.m. Saturday-Sunday, $8. Thinkery, 1830 Simond Ave. thinkeryaustin.org
PBS Kids “Explore the Outdoors.” With an episode of “Wild Kratts.” Noon Saturday-Sunday, Alamo Drafthouse Lakeline; 10:30 a.m. Saturday-Sunday, Slaughter Lane. drafthouse.com
Monster Jam. Seriously big trucks crush other trucks. 7 p.m. Saturday, 1 p.m. Sunday. $15-$35. Erwin Center, 1701 Red River St. uterwincenter.com
SUNDAY
Edible Austin Children’s Picnic. 1 p.m. Sunday, Rosewood Park.
Amy Jackson reads “Cassandra and the Night Sky,” 3 p.m. Sunday. BookPeople, 603 N. Lamar Blvd. bookpeople.com
Afternoon in the Garden: Faeries, pollinators and their wildflowers. Learn about pollinators, wildflowers and magical faeries. $2 adults, $1 children 3-12. 1-4 p.m. Sunday. 2220 Barton Springs Road. zilkergarden.org