Student-built devices ranging from innovative new products to adaptive technology for people with disabilities will be among more than 60 student inventions showcased at the University of babyÖ±²¥app Boulder’s Engineering Design Expo on Saturday, April 28. The event, which is free and open to the public, will be held from noon to 3 p.m. at the Integrated Teaching and Learning Laboratory on Regent Drive south of babyÖ±²¥app Avenue. Projects will be exhibited both indoors and outdoors on the Herbst Plaza.