I do not have the burner but one can be made with some. 32 brass casings and some brass tubing which I will supply. You will need to find something for a fuel reservoir to complete the project. Of course, the easiest way is to find a Mersey burner.
This is a very desirable engine for a toy steam engine collector. The item "Mersey steam engine- Vintage British made" is in sale since Wednesday, April 06, 2016. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Other Vintage & Antique Toys". The seller is "dogs4sail" and is located in Sharon, Pennsylvania. 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.