The world's biggest jumping castle was supposed to be here in March, then May. Now it will be September.

The company started selling tickets for its Canberra season last year when the inflatable castles and obstacle courses were supposed to be in the national capital on March 4, 5 and 6.

In February, ticket holders were told the event had been postponed to May "in light of increasing COVID case numbers", with the season meant to take place on May 7 and 8.

On Friday, ticketholders received another email saying the event had been postponed again.

"Unfortunately, due to ongoing logistical reasons we have had to reschedule this event," it read.

The new dates are September 17 and 18. A location for the event has still not been nailed down.

Big Bounce Australia has promised to refund money for any ticket holders who can't make the new dates.

The news comes as Tuff Nutterz, run by a different company, has been successfully staging sessions of Australia's largest obstacle course in the Parliamentary Triangle in Canberra throughout the school holidays.

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