Bags
An empty big bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Quarry Products
Plastering sand
A tonne bag of sand.
4" clean large stone
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
2" clean medium sized stone