Find a pumpkin in the pool & then decorate it. Games & prizes. $12. Ages 2 & younger: free. Tickets sell quickly. Register for 1 of 2 time slots: 1:30–3:30 p.m. & 3:45–5:45 p.m. Ridgway Swim Center. 455 Ridgway Ave., Santa Rosa. Presales only: tinyurl.com/y45xf6eh.