Arch Reactor STL is a HackerSpace/MakerSpace serving the Greater St. Louis, Missouri Area for over 10 years. Located at 2215 Scott Ave, We offer classes open to the public and Free to attend, please check out our calendar on our website, follow us on Social Media, Facebook, Instagram, Twitter and Meetup and Eventbrite. For our levels of membership, please see our website and click on membership to learn more.