Some 1" box and a few joiners. Wheels from the dump. Padding from barry bunnings. It's pipe insulation. Bits n pieces from around the house. Bike from the dump, just needed a new tube.
Carries 2 SUPs easy and my lads longboard (much to his delight).

Working on a small portable one SUP model for the car.
Due to the fact it's windy here 364 days a year I like to lay my boards flat.