8.5x9.5x4" outer box holds four smaller inner boxes which in turn hold the steam engine and the 3 accessories. The outer box and all inner boxes have great graphics of toys being used in a factory-like setting with factory workers depicted. Each box also has different graphics on each side pertaining to tool contained therein. Three tools are "Grinding Stone, Buffer, Power Saw." Whole set is made by Marx and all parts are tin litho and painted tin. 1950s Japan. Each accessory is marked with a plate with its name and the Marx logo. Grinding stone tool also has plastic figure operator attached to it. Overall condition of accessories are N. Mint and steam engine appears to have had some use mostly evidenced by heat marks on the pans which slide inside to operate the toy. Outside box and all inside boxes are clean, tight and have slight wear. One has 1" tear across top but overall grade VF+. Toys grade N. Mint with exception of steam engine which is Fine. From the Tomart Archives and comes with COA signed by Tom Tumbusch and Ted Hake.