12/17 - Beach Treasures at Gumbo Limbo Nature Center, 1801 N. Ocean Blvd., Boca Raton. Meet at the center to learn about seashells and the animals that make them. Caravan to Red Reef Park, 1400 N. State Road A1A, and search for ocean treasures. For all ages, children must be accompanied by an adult. Held again 12/27. 4-5:30 pm. $5/members, $8/non-members. Reservations: 544-8615.