Other than the broken site glass, in good condition. If the site glass is replaced, it should work. The piston moves correctly and freely. The tank is 6 1/2" long and the assembly is 5 1/2" wide. The item "Bing Vertical Steam Engine and Piston Motor with Heat Tray" is in sale since Wednesday, September 30, 2015.This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Other Vintage & Antique Toys". The seller is "esalevets" and is located in Chester, New Jersey. This item can be shipped worldwide.