My nephew had his 9th birthday party at Granite City Jump and it was a fun new experience! It feels very cramped where all of the bounce houses are smushed into a tiny room and there aren't any real guidelines on having to wear specific socks so there is definitely a real risk of slipping. My family didn't end up bouncing much at all and were way more interested in the arcade games which was definitely to be expected. I'm surprised the birthday package didn't come with any sort of game card for birthday kiddo as well as a private room of sorts. Overall the kids had a great time which was all that matters but I think kids who are a bit younger might enjoy it more. read more