Saturday, April 18, 2026
10-5 pm
Alameda County Fairgrounds
Pleasanton, CA
Thank you to the thousands of attendees, volunteers, exhibitors, and sponsors for making our 2026 event a huge success! You can view the program and photos below.
Quest welcomed the community to the Tri-Valley Innovation Fair on April 18, 2026 for an exciting day filled with hands-on science, engineering, and technology adventures!
Attendees explored over 70 exhibits showcasing amazing discoveries and innovations from local businesses, schools, and community groups including:
- Meeting the scientists, engineers, and creators shaping the future.
- Experiencing hands-on with interactive activities indoors and outdoors.
- Enjoying special performances happening throughout the day.
- Free admission for everyone!
Curious minds of all ages came to invent, explore, and play with us at this fun-filled family event, because innovation is for everyone!
Thank You to Our 2026 Sponsors!
Event Photos
Thank you to Ron Essex for being our event photographer!









