Bags
Small empty heavy duty sand bag.
Quarry Products
Plastering sand
Chips
3/8" Chips. Very small stones
Blocks
An empty big bag.
4" clean large stone
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"