The Multiplex is an online, free, interactive platform combining the videos presented in the 2015, 2016, 2017, 2018, 2019 and 2020 STEM for All Video Showcases. It provides visitors with new ways to search and discover videos of interest related to cutting edge efforts to transform science, mathematics, engineering, technology and computer science learning. Visitors can create and share playlists of these videos, join Theme of the Month webinars and discussions, and stay connected to STEM for All Video Showcase all year long.