October 17, 2026 3pm – 7pm
Patrick Henry Recreation Center 4653 Taney Ave Alexandria, VA 22304
FREE & OPEN TO THE PUBLIC
Just bring your curiosity and your favorite STEAM costume!
GET READY FOR AN EVENING WHERE SCIENCE MEETS HALLOWEEN!
Come explore, experiment, build, create, and discover at the 11th Annual Spooky Mad Science Expo, a high-energy, family-friendly celebration that brings STEM out of the classroom and into the community.
For 11 years, the Spooky Mad Science Expo has brought young people, families, educators, scientists, engineers, universities, businesses, and community organizations together for an unforgettable celebration where science meets Halloween.
This year, we’re bringing more science, creativity, and surprises to the community:
- HANDS-ON EXPERIENCES
- LIVE DEMOS
- ROBOTICS & DRONES
- SCIENCE, TECH, ENGINEERING, AI
- CREATIVITY
- SCIENTIFIC HALLOWEEN FUN
Talk with scientists, engineers, researchers, educators, university representatives, and STEM professionals about what they do, and where STEM can take you.