Clay, once [[digging|dug]] up, has a high [[decay]] speed and is pointless to store for more than a few days. It can however be kept in a [[bulk storage bin]].
[[Clay tile]]s can be raised by dropping [[dirt]] or [[sand]]. They can be lowered with the [[level]] command if all corners are higher or level to an adjacent flat tile and your [[digging]] skill is at least 70. Clay tiles cannot items can be changed heated in a forge, campfire or [[Kiln]] to another type of tilebecome pottery items.
To transport a large quantity of clay, you will probably have to combine it. Even a [[small cart]] will likely hold more than 100 2kg lumps of clay. If you do so, be aware of the following: