An extension for set number eight (8A) includes 116 stone blocks in the three standard colors; brick red, natural sand, and slate blue. The Anchor Designs for Architectural Models booklet has 14 building plans including a toll house, Rococo pavilion, and a factory. Packaged in a traditional wooden box with a packing diagram. This expansion allows you to build larger and more complex models and improves your building experience with Anchor Stones. Useful for creative free-form building as well as building from the standard templates. This set plus the combination for set #8 becomes the equivalent of set #10 and allows you to build all of set #10 models.