Bags
An empty big bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Regular 4" block with a 90 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Chips
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"
An empty small bag.