Small empty heavy duty sand bag.
Small empty heavy duty sand bag (GREEN) 4FT LONG X 1FT WIDE.
4" clean large stone
3/8" Chips. Very small stones
A tonne bag of sand.
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
An empty big bag.