This comes with all pieces shown. I believe the base model came with 10 pieces. This set has additional castings which alleviates the need to build some of the other accessories from bar stock.
I cannot find the drawings. The base is aluminum the rest of the pieces are cast iron. The base measures 22-1/2 long by 11. Rare Coles Power Models Corliss Engine Motor Castings Set Kit 1/4 Scale. The item "Rare Coles Power Models Corliss Engine Motor Castings Set Kit 1/4 Scale Steam" is in sale since Tuesday, August 20, 2019.
This item is in the category "Toys & Hobbies\Models & Kits\Tools, Supplies & Engines". The seller is "wadebaby" and is located in Newtown Square, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, Gibraltar, Guadeloupe, Iceland, Jordan, Cambodia, Sri lanka, Nicaragua, Oman, Peru, Paraguay, Reunion, Viet nam, Uruguay.