1 Best Shredder Contest: In the final installment of the countywide Best Shredder Contest, skateboarders will show off their best street style techniques and tricks at Northwest Skate Park at Jackson Springs Park in Tampa from noon to 4 p.m. Saturday, 8612 Jackson Springs Road. Prizes for first, second, and third place and an overall Best Shredder will be named in each division. The contest features food trucks, music and prizes, and admission is free. Helmets and a notarized waiver are required to skate. Forms are available online at HillsboroughCounty.org/BestShredder, or call (813) 554-5064.
2 Florida Orchestra Family Concert: Take the kids to see a $5 Alice in Wonderland experience as the Florida Orchestra introduces children to classical music. The event even gives kids a chance to play with everything from violins to trombones at the Instrument Petting Zoo held 45 minutes before performances at 10 and 11:30 a.m. Saturday at the Dali Museum, 1 Dali Blvd., St. Petersburg. (727) 823-3767. floridaorchestra.org.
3 Festival of Trees: This annual Clearwater event kicks off the holidays with a yuletide stroll along winding paths lined with hundreds of wreaths and trees, each laden with unique ornaments, lights and other flourishes. Decorated by businesses, community leaders and artists, the trees are for sale along with hand-decorated ornaments and centerpieces. The event benefits people with developmental and intellectual disabilities. $5, 9 and younger free. The Long Center, 1501 N Belcher Road, Clearwater. 9 a.m.-5 p.m. Friday, 9 a.m.-8 p.m. Saturday, 10 a.m.-5 p.m. Sunday. (727) 797-8712.
4 Planetarium Shows: The St. Petersburg College "star theater" is ready for the holidays with a show demonstrating astronomical events that may have inspired the Biblical accounts of the Christmas star. Families with children ages 7 and older are invited to the theater, which can accurately simulate the night sky at any time or location on Earth. Telescope viewings from the rooftop observatory follow the free shows at 7 p.m. and 8:15 p.m. Friday at St. Petersburg College's Natural Science Building on the back side of the Gibbs campus, on 69th Street at Fifth Avenue N, St. Petersburg. (727) 341-4320. spcollege.edu/planetarium.
5 Plant City Pig Jam: Get out the napkins. More than 85 barbecue teams will head to Plant City for this state barbecue championship with live music and kids' activities. This annual event draws both professional and amateur competitors for a contest sanctioned by the Kansas City Barbeque Society, the largest such organization in the world and one that sets the standard for competitive cooking on the grill. It's $5 for parking and free admission (food/drink additional) at Randy L. Larson Softball Four-Plex, 1500 S Park Road, Plant City. 5-10 p.m. Friday, 10 a.m.-5 p.m. Saturday. Toll-free 1-800-760-2315.