This looks to be in nice shape. I do not know anything about steam engines. This is 11 inches long and 8 inches tall. It looks to be all intact.
The item "Vintage Steam Engine by Wilesco Traktor Made in Western Germany" is in sale since Monday, May 16, 2016. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Other Vintage & Antique Toys". The seller is "golittle" and is located in Gasport, New York. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, ZA, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, TR, BR, CL, CO, CR, DO, PA, TT, GT, SV, HN, JM.