Small empty heavy duty sand bag.
A much bigger block with a cavity/hole going through the center.
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.
Aggregate mix
Clause 804
Regular sized blocks used for most building jobs.
Drainage stone-small smooth rounded stone
A tonne bag of sand.
An empty small bag.