Set of 20 various plastic rock piles. These sets come in a variety of styles and colors, approx. 2 1/2" long. Each base is hollow underneath. Each 'pile' has a small hole at top of base, these were originally used as base pieces for flagpoles...however, you can fill the hole with putty, paint them up and strewn them across the battlefield, or with some imagination, use them as base pieces for some of our unbased tree sets, or any other number of ideas!