From the Gale Force 9 web site:

Gale Force Nine’s WarCogs 3D Battlefield Effects Cloud Markers provide a unique method of representing battlefield effects, especially those that remain in play and block line of sight.

Once placed on the table, the center cloud piece may be easily rotated or removed from play to allow models to move through the cloud region as necessary. The color coordinated 3″ diameter outer ring remains in place to mark the exact location of the cloud.

Each marker set is manufactured from colorful, high quality translucent acrylic. There are three effect packs to choose from; smoke effects, fire effects and poison clouds. Each pack contains three (3) complete markers.

Whether a veteran commander or fresh recruit, the WarCogs range gives players premium gaming accessories that integrate with GF9′s classic game aids range. WarCogs were also designed to work as a stand-alone product to satisfy the needs of new players or players starting new warbands.

The entire line of WarCogs multi-purpose gaming tokens and accessories is available in game and hobby shops worldwide or directly from the GF9 Online Store!