Opportunity Details
Setup for the Spooky Mad Science Expo
Chrysalis Development Group is inviting students, STEM professionals and Artists, educators, makers, and community volunteers to join us for the 11th Annual Spooky Mad Science Expo on Saturday, October 17, 2026, from 3:00–7:00 PM at Patrick Henry Recreation Center in Alexandria.
The expo is a free, family-friendly Halloween themed STEAM celebration featuring 100+ interactive experiences and bringing young people and families together with scientists, engineers, universities, companies, innovators, artists, makers, and community organizations. The City of Alexandria has officially proclaimed October 17 as Spooky Mad Science Expo Day.
The City of Alexandria has officially proclaimed October 17, 2026, as Spooky Mad Science Expo Day.
Are you a STEM professional?
Scientists, engineers, researchers, educators, doctors, technologists, aerospace professionals, and STEM specialists can share your field, lead an activity, demonstrate your work, talk with young people about your career, or bring a hands-on experience.
Are you a student?
Join and help families, support hands-on activities, work behind the scenes, meet professionals and organizations, explore STEM careers, and bring your own skills and talents to the event.
Are you an artist, maker, or creative?
Bring art, making, creative activities, installations, costumes, or a science-inspired idea and help us make STEAM come alive.
Are you a photographer, videographer, journalist, podcaster, designer, or content creator?
Help capture the day through photography, video, interviews, podcasting, social media, graphics, and storytelling.
Are you an event professional?
We’re looking for people and teams with experience in event production, technology, photo booths, décor, signage, printing, and technical support.
Are you a business, university, organization, or professional team?
Bring your expertise, equipment, an interactive experience, creative service, or a team of volunteers.
Just want to help?
We also need volunteers for welcome & check-in, family support, STEM stations, the Costume Parade & Contest, Sky Dome Planetarium, stage activities, setup, cleanup, and general event support.
Saturday, October 17, 2026 | 3:00–7:00 PM
Patrick Henry Recreation Center | Alexandria, VA
Rain Date: October 24
Sign up or learn more:
CDG Volunteer & Participation Link
A Little Halloween. A Lot of Science.
Children & Youth Education
Age Minimum (with Adult): 15+, Minimum Age:15+
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©2026 Volunt
eer Alexandria is part of the Points of Light Global Network, the world’s largest network of community partners mobilizing volunteers and supporting local nonprofits in over 30 countries worldwide. We are a member of the Alexandria Council of Human Services (ACHSO), Partnership for a Healthier Alexandria, Hunger Free Alexandria, and the Alexandria LGBTQ+ Task Force | All rights reserved