BROOKLYN - APRIL 16: Families attend the YMCA Armory's Healthy Kids Day 2011 at Park Slope Armory on Saturday, April 16, 2011 in New York, NY.

Brooklyn - April 16: Families attend the YMCA Armory's Healthy Kids Day 2011 at Park Slope Armory on Saturday, April 16, 2011 in Brooklyn, NY. (Photo by Steve Mack/S.D. Mack Pictures)

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Brooklyn - April 16: Families attend the YMCA Armory's Healthy Kids Day 2011 at Park Slope Armory on Saturday, April 16, 2011 in Brooklyn, NY. (Photo by Steve Mack/S.D. Mack Pictures)

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BROOKLYN - APRIL 16: Families attend the YMCA Armory's Healthy Kids Day 2011 at Park Slope Armory on Saturday, April 16, 2011 in New York, NY.