Where and what did you get? I want to do the exact same thing in my garage. Love how you found a way to store the mower as well!
Welcome to the Bunnings Workshop community @barrydavis. It's wonderful that you've joined us, and fantastic to see this project has inspired you.
Let me mention @lcooksey88, so they are alerted to your question and hopefully can assist with a list of products used.
If they don't have details of the products used, I'll attempt to piece it together for you.
Just wanted to extend my own warm welcome to the Bunnings Workshop community. We're looking forward to seeing how you can transform your garage. Perhaps share some photos of its current state so members can see what you are working with and provide more specific advice.
All the best,
I've had a look at the products used, and it appears that the following list should provide most of what you need. Hopefully, @lcooksey88 might be able to run her eyes over my list to double-check that I've covered everything and that they are the same products she's used.
You might also like to check out the full range of shelving from Rack It heavy duty storage. There are plenty of options to make your own custom layouts.
Please let me know if you have any questions.