Houston, TX: Girls in Aviation Day @ Lone Star Flight Museum

Austin, TX: Spooktacular @ The Bullock

Bullock Texas State History Museum 1800 Congress Ave., Austin, TX, United States

Come in costume to the Museum’s annual Spooktacular event and enjoy slimy, shocking, and spooky science activities for the whole family! At the Girlstart booth, learn about bats that inhabit Austin, explore boo bubbles, construct a candy corn cannon, and more! RSVP at bit.ly/SpookySTEM24!

Houston, TX: Trick or Treat @ Woodchase Park

Woodchase Park 3951 Woodchase Dr., Houston, TX, United States

Get ready to launch into Halloween! Engineer your very own candy corn cannon out of a paper cup, balloon, and duct tape. See how far your candy corn cannon will make a pom-pom fly!

Dallas, TX: Trick-or-Treating in the Park @ Klyde Warren Park

Klyde Warren Park 2012 Woodall Rodgers Fwy, Dallas, United States

Get ready to launch into Halloween! Engineer your very own candy corn cannon out of a paper cup, balloon, and duct tape. See how far your candy corn cannon will make a pom-pom fly! At Klyde Warren Park’s annual costume contest and candy collecting event, your family will enjoy more treats than tricks! Join us …

Austin, TX: Free First Sunday @ The Bullock

Bullock Texas State History Museum 1800 Congress Ave., Austin, TX, United States

Join Girlstart for hands-on STEM activities and learn about education and play through history.