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