individually crafted tiles.

一块块单独制作的瓦片。

There are 96 pieces and they are worth, individually and collectively, a lot of money.

这里有96件，它们单独拿出一件或放在一起都值很多钱。

Individually they're weak, but as a group they can be devastating.

作为单独个体它们的力量很弱，但集合在一起时它们的破坏性则可以很大。