In this Sept. 11, 2005 file photo, children play in a bounce house in Vidor, Texas. A nationwide study released Monday, Nov. 26, 2012, found inflatable bounce houses can be dangerous and the number of kids injured in related accidents has soared 15-fold in recent years. The numbers suggest 30 U.S. children a day are treated in emergency rooms for broken bones, sprains, cuts and concussions from bounce house accidents.
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