Destructible items that can be placed anywhere on your map and shattered into fragments at your discretion. They function in the same way as the standard game maps' crushable rocks.
Large Crushable Rocks
Result: ROCKS
5200L of capacity
Cost: $1
Extra-large crushable rocks
Result: ROCKS
9000L of capacity
Cost: $1
To destroy these items on the main game maps, use any jackhammer that can smash rocks.

Credit: w33zl