FREE, interactive, "hands on" activities for kids. Free parking, free admission, plan to spend the day! The goals of Discovery Day are to inspire children to pursue Science, Technology, Engineering, and Mathematics (STEM) studies and careers. With more than 80 exhibitors, there is something for everyone to unleash their inner scientist. For more information, visit our website at: www.northbayscience.org North Bay Science Discovery Day is part of the Bay Area Science Festival.