A good question.
A local answer.

Review ride height rules and the park's map with the children beforehand. Let them skip thrill rides without making the whole day feel like a compromise.

Ask Dreamworld directly whether you can buy a gift voucher or nominate the recipient later. That is safer than entering your own photograph or an invented email to get through checkout.

Check operating hours, maintenance notices and transport for your date before buying. A favourite attraction that is closed removes much of the reason to choose that park.

Queensland's published school term dates help identify the main holiday period, but an earlier week is not a promise of quiet rides. Check the relevant park's calendar, opening hours and any announced events for your exact date.