Gravel
Aggregate mix
Blocks
Regular 4" block with a 90 degree offset.
Bags
An empty small bag.
Regular 4" block with a 30 degree offset.
Chips
The bigger thicker blocks up from the 4"
Quarry Products
A tonne bag of sand.
Plastering sand
An empty big bag.
A much bigger block with a cavity/hole going through the center.