There will be games and rides for them, and lots of colour and movement to entertain them. The walk is suitable for prams. Your group might also want to bring a banner. The walk is alcohol free. How to get there See the West Australian on Saturday December 2 nd for details.
Train is the best option.
At the other end it's a 5 minute walk to Perth train station. Cars are being catered for, but there are likely to be traffic delays. Some parking should be available near McCallum Park and possibly on the City side of the Causeway. Please note that all City bound lanes of the Causeway, and Riverside drive, will be closed for most of the morning. Access for people with disabilities.