Marin Spring Carnival brought to you by Butler Amusements.  Butler Amusements will be providing the best in family fun across from the Marin County Fairgrounds at Civic Center Drive and Peter Behr Drive March 29 - April 7. With 12 mechanical carnival rides ranging from thrilling to family friendly. Also featured will be food concessions providing fresh hand dipped corn dogs, cotton candy, caramel apples and other fair favorites, plus 13 games of skill including the balloon dart, basketball free throw and water race with giant stuffed prizes for winners.