But jungle gyms and monkey bars remain targets of efforts to make playgrounds safer, the researchers report. New York City removed them from most of their 862 public playgrounds in the 1980s and ...
(Submitted by Melanie Quilty) Jungle gyms and monkey bars are about 100 years old — patented in 1923 and 1924 by U.S. lawyer Sebastian "Ted" Hinton. Even Hinton, in his first patent ...