City kids will get the chance to run around in fall leaves, roll off big bales of straw and paint pumpkins at this fall fest for children Saturday, Oct. 20 from 11 a.m. to 2 p.m. The free event will have a puppet show and other entertainment. The garden gate is located on Greenwich Avenue between Sixth Avenue and West 10th Street. The rain date for the harvest festival is Sunday, Oct. 21 at the same time.