A variety of clear hazard patch overlays (a total of 10) to give terrain trays or flat ground some danger such as whirlpools, breaking ice, quicksand pits, and necrotic sludge pools. Each set includes 2 Quicksand Pit Clear Overlays, 2 Whirlpool Clear Overlays, 2 Necrotic Sludge Clear Overlays, 2 Ice Cracks Clear Overlay, and 2 Ice Hole Clear Overlays.

Overlays only -- no terrain trays are included.