Study: Ball pits are filled with nasty bacteria | wthr.com
Ball pits are so dirty it's dangerous: Scientists find thousands of bacteria on a plastic ball | Daily Mail Online
Ball pit bar' makes adults feel like kids again, but with alcohol | Mashable
Who invented the ball pit? - BBC Worklife
A history of the ball pit, a staple of McDonald's PlayPlaces and Chuck E. Cheeses - Vox
Ball Pits
BALL PIT IN OUR HOUSE! | Surprising Mom - YouTube
A beloved childhood experience, or a petri dish of germs? Public ball pits will reopen in August - The Boston Globe
Amazon.com: Hide N Side 5pc Kids Ball Pit Tents and Tunnels, Toddler Jungle Gym Play Tent with Play Crawl Tunnel Toy, for Boys Babies Infants Children, Indoor Outdoor Gift, Target Game w/
Funphix Dive In Ball Pit Set 414 Pcs Ball Pit Building Toy Develops Stem Skills, Encourages Physical Activity & Teamwork : Target