A tonne bag of sand.
Regular sized blocks used for most building jobs.
A much bigger block with a cavity/hole going through the center.
2" clean medium sized stone
Aggregate mix
Regular 4" block with a 90 degree offset.
Drainage stone-small smooth rounded stone
Small empty heavy duty sand bag.
Clause 804
Regular 4" block with a 30 degree offset.
An empty big bag.