Heavy weapons and support forces of the Mechanicum roll off the assembly lines of Mars. This model requires assembly and painting. The set does not include plastic glue, paints, or tools. Adult supervision is required if necessary.

It includes a Thanatar Calix Siege-automata equipped with a highly destructive sollex heavy-las and graviton ram, a Krios Strike Tank which can be built with a lightning cannon, an irradiation blaster, or as a Krios Venator with a pulsar fusil, and the Karacnos Assault Tank sporting a radiological mortar battery. This set also includes two Mechanicum Macro Constructs Transfer Sheets, which each comprise 394 transfers.