An infant's inflatable play gym for use either as a crib toy or floor toy which includes a pair of opposed upright end supports for rotatably supporting therebetween an inflatable chamber. Within the inflatable chamber are a plurality of loosely disposed amusing playthings which are free to tumble within...http://www.google.es/patents/US5250002?utm_source=gb-gplus-sharePatente US5250002 - Inflatable play gym