Lots of activities with local bicycling opportunities, bike shops and bike clubs will have booths and demostrations.  There will be bike helmet decorating with a chance to win prizes.  Twenty minutes after the return from the Neighborhood Bike Ride, The MUSE will have a booth where you can make bicycle-themed jewelry and build something out of bicycle parts.  Mast General Store is providing lemonade and water after the ride.  For more info - Knoxville Regional Transportation Planning Organization