Celebrate a day of discovery at the California Academy of Sciences with KQED and Buddy the T. Rex from Dinosaur Train! Bring a camera and a curious spirit. Buddy will explore the museum and greet visitors. Take the Nature Trackers Challenge and become a member of Dinosaur Train Nature Trackers Club, a community of young children, their families and educators, committed to learning about nature and doing good things for their environment. Plus join the Academy for special Jurassic in the Park programming, and activities for children of all ages. Free with California Academy of Sciences admission.