Bags
An empty big bag.
Blocks
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
The bigger thicker blocks up from the 4"
A much bigger block with a cavity/hole going through the center.
Chips
Quarry Products
2" clean medium sized stone
Gravel
Screenings-Very dusty gravel
Drainage stone-small smooth rounded stone
Aggregate mix
Plastering sand