On Saturday, November 9, and Sunday, November 10, from 10 am to 5 pm, celebrate a weekend of testing, spinning, cranking, building, and creating at ECHO. Our STEM (Science, Technology, Engineering and Math) festival features engaging activities for all ages, including a 12 foot tall wind wall, coding robots, giant blue building blocks, a 30 foot LEGO race track, and more! Free with ECHO admission or membership.