From the announcement:
There are two models of rocks with large crystals, with bases, miniatures scale for 28-32mm, you can combine them with other sites cardboard elements of fantasy, science fiction and modern. The models are designed for battle games, rpg. One can function as a permanent barrier, one has a difficult terrain over which the unit can move infantry, and both vehicles. Models can be set up in multiple configurations. Cardboard (perfectly designed), easy to make.