This is an Empire variable speed unit it is model number B-34 this item is a speed unit used to drive toy accessories they were produced from 1933 to 1935. Vintage Rare EMPIRE TOY STEAM ENGINE ACCESSORY VARIABLE SPEED UNIT! B-34" is in sale since Sunday, January 26, 2020. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Other Vintage & Antique Toys".The seller is "3365165o7o" and is located in High Point, North Carolina. This item can be shipped worldwide.