Sightglass is missing and appears someone has tried to repair and perhaps sealed up holes. I do not know if it is air tight but no doubt needs to be restored. As can be seen engine is a little over 12in height. Rest assured that model will be packed very carefully.
Can not guarantee against damage but close to it. I know how frustrating it is to receive an antique such as this damaged from careless packaging. The item "Gerrman Vertical Steam Engine Carette for American Market" is in sale since Saturday, February 27, 2016.
This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Tin\Other Vintage Tin Toys". The seller is "great4953" and is located in Wilbraham, Massachusetts. 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, 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, CL, CO, CR, DO, PA, TT, GT, SV, HN, JM.