Tri-Valley Innovation Fair - Quest Science Center

The Tri-Valley Innovation Fair, presented by Quest Science Center, returns on Saturday, April 17, 2027, from 10 am to 5 pm at the Alameda County Fairgrounds in Pleasanton, California. This free, family-friendly community event celebrates science, engineering, and technology with more than 70 hands-on exhibits from local businesses, schools, and community groups. Visitors of all ages can meet scientists and engineers, try interactive indoor and outdoor activities, enjoy live performances, and explore the future of innovation. Free admission for everyone.