Blocks
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Quarry Products
Drainage stone-small smooth rounded stone
2" clean medium sized stone
Regular sized blocks used for most building jobs.
Bags
An empty small bag.
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
Regular 4" block with a 90 degree offset.
A tonne bag of sand.