For Kids:

1. Sunnyvale Public Library: Participate in free children’s programs and storytimes.
2. Las Palmas Park: Enjoy playgrounds, sports fields, and a water play area.
3. Baylands Park: Explore nature trails and enjoy picnic areas.

For Adults:

1. Sunnyvale Heritage Park Museum: Visit on free admission days (check schedule).
2. Full Circle Farm: Attend occasional free events and workshops.
3. Sunnyvale Art Galleries: Explore free art exhibitions at various locations.

For Both:

1. Seven Seas Park: Enjoy walking paths, sports facilities, and picnic areas.
2. Sunnyvale Community Center: Participate in occasional free events and classes.
3. Sunnyvale Farmers’ Market: Browse local produce on Saturdays.

Remember to check official websites or call ahead to confirm current schedules and any potential fees, as these may change over time.