Downtown Waco will welcome food trucks from across the state to The Texas Food Truck Showdown from 10 a.m. to 8 p.m. at Heritage Square. The event will feature live entertainment, a concert by Guns 4 Roses and demonstrations by Twiggy, the water-skiing squirrel. Tasty Tickets cost $5 for a 4-ounce signature dish. Pre-sale tickets will be available in bundles of five at the Greater Waco Chamber of Commerce. For more details, call 757-5611 or visit texasfoodtruckshowdown.com.