Regular 4" block with a 90 degree offset.
A tonne bag of sand.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
A much bigger block with a cavity/hole going through the center.
Aggregate mix
The bigger thicker blocks up from the 4"
Screenings-Very dusty gravel
Plastering sand
3/8" Chips. Very small stones