1Rays Fan Fest: The free day of play in Tropicana Field returns to rev up fans for baseball season with Tampa Bay Rays players and coaches on hand. This yearís free activities include clubhouse tours, arcade games and a food tasting. Kids can run the bases, high-five players, have a story read to them and participate in activities. 11 a.m.-4 p.m. Saturday. 1 Tropicana Drive, St. Petersburg. Free admission. $20 per autograph at raysbaseball.com (buy early; popular players often sell out). Benefits the Rays Baseball Foundation. 2Dunedin Mardi Gras: Tuesday is Mardi Gras, and Dunedin once again puts on one of the largest Fat Tuesday celebrations in the state. It starts at 4 p.m. with food trucks, vendors and music by Danielle Mohr and the Moonlight Madness, Edge of Red and Gumbo Boogie. The parade begins at 7 p.m. starting at the Florida Auto Exchange Stadium and traveling north along Douglas Avenue to Skinner Boulevard. Free. 3Motorcycle Expo and Bike Builder Invitational: Motorcycle builders from across the country compete at this event with a giant ride-in motorcycle show, wing-eating contest, the Miss Full Throttle bikini contest, cash giveaways and music by Warrant (Friday), Lita Ford (Saturday) and Stormbringer (Sunday). Dave Ankin, star of the Velocity channel show ToyMakerz, will bring his latest cycle creation called the Beast. 10 a.m.-10 p.m. Friday-Sunday. Quaker Steak and Lube, 10400 49th St. N, Clearwater. Free. (727) 935-4875. 4Dante Basco: The actor best known for his voice-over work in video games and his role as Rufio, leader of the Lost Boys in the 1991 movie Hook, is giving a free talk at Eckerd College. He also supplied the voice of Prince Zuko in Nickelodeonís Avatar: The Last Airbender. Basco will share his poetry and his experiences as an actor at 7 p.m. Tuesday at Fox Hall, 4200 54th Ave. S, St. Petersburg. 5Train Swap: Model trains can be an expensive hobby, so enthusiasts will be gathering in the parking lot at Zitnik Trains, 5193 73rd Ave. N, Pinellas Park, on Sunday to show, sell and trade train-related items in the parking lot. 9 a.m.-2 p.m. Sunday. Free.