Also called the "Day of Playful Invention", Robot fest "is an annual event for anyone interested in the creative use of technology" to promote science, technology, engineering and mathematics (STEM). It takes place at the National Electronics Museum in Linthicum, Maryland and entry is donation based. This year's Robot Fest will occur in April 2021 and include exhibitors such as The Art Institute of Washington, MakerBot Industries and Lego. 2020 saw no event.