From left, Olivia Hicks, 8, Isabelle Berkowitz, 8, and Lorelie Mansfield, 8, swing their game controllers as they play a Wii game in Concord, California, on July 15, 2010. Studies show that some Wii video games are actually physically good for kids. (Doug Duran/Contra Costa Times/MCT) ORG XMIT: 1092095 ** HOY OUT, TCN OUT **