1 Gem, Jewelry and Bead Show and Sale: Check out these rocks when more than 50 dealers from around the United States sell crystals, minerals, beads, gems and jewelry. $5. Coliseum, 535 Fourth Ave. N, St. Petersburg. 10 a.m. to 5 p.m. Friday through Sunday. (941) 954-0202.
2 License-Free Saltwater Fishing Day: Celebrate the holiday with rod and reel in hand at no cost to recreational fishermen all day until midnight Saturday. Held a few times a year, this day provides an opportunity to introduce everyone to fishing. License requirement waived for all recreational anglers. All other rules regarding season, bag and size limits apply. The saltwater waiver applies to any recreational harvest requiring a saltwater fishing license or permit including snook and spiny lobster (if in season). Try the Skyway Fishing Pier State Park, 4905 34th St. S, St. Petersburg. (727) 865-0668.
3 Thanksgiving Art and Craft Festival: The 27th annual event features original works by new and upcoming talent as well as established artists and crafters. 10 a.m. to 5 p.m. Saturday and Sunday. 1 N Pinellas Ave., Tarpon Springs. Free. (727) 417-5494.
4 Astronomy Night: Look through telescopes at the moon and beyond at 6:30 p.m. Saturday at Boyd Hill Nature Preserve, 1101 Country Club Way S, St. Petersburg. $3, $1.50 children. (727) 893-7326.
5 Snow Bash: The celebration will feature snow, entertainment, food trucks and vendors to benefit the Seed Foundation's Castle Housing project, which will create a housing community for seniors, orphans and veterans. Toys for Tots, which will be collecting gifts during the event, receives a portion of the admission proceeds. Advance registration is $2, $5 at the door. 9 a.m. to 1 p.m. Saturday. Springleton Fun Park, 9227 County Line Road, Spring Hill.