Last month, more than 20,000 kids from around the globe converged on the center of the U.S. accompanied by their robots. It wasn’t the rise of the Daleks however, this was the FIRST World Championships held at the Edward Jones Dome in downtown St. Louis.

“This is an opportunity for us to learn what we want to do professionally,” said Alex Kessel, a student at Westminster Christian Academy in Town and Country, Missouri. “We’re taking what we are learning in school and actually using it to create something, rather than just absorbing information.”