FREE. Ages 7–16. Outdoor hands-on art & science activities. Limited to 60 students & spaces fill up fast. Parent volunteers & students earning community hours welcome. 11:30 a.m.–5 p.m. Clear Lake Campground. 7805 Cache Creek Way, Clearlake. (Parking: Top of the hill upon entrance.) Volunteer: 707-295-1030 or [email protected]. Register: tinyurl.com/2te2vx7y.