A history of the ball pit, a staple of McDonald's PlayPlaces and Chuck E. Cheeses - Vox
Inside last-of-its kind Chuck E. Cheese with an animatronic band
ShowBizPizza.com - Happy 39th Birthday to the Big C himself - Chuck E. Cheese (shown here celebrating in the ball pit with Nolan Bushnell and Joe Keenan) #1977 #pizzatimetheatre #chuckecheese #nolanbushnell #joekeenan #
Ball pit - Wikipedia
Reflections on the 1992 Chuck E. Cheese Ball Pit Incident |Creepypasta Reading| - YouTube