American Flyer compatable conversion kit for a 4-4-2 Camelback engine.- by BALLSTON LOCOMOTIVE WORKS. Will fit on any 300 series chassis except 300. (Enquire). Consists of a new plastic Camelback shel, all railings & pipes pre-bent, new bell, whistle, headlight & windows. FULL instructions are included. This is a summertime SPECIAL -REDUCED price of $74.95 (Instead of $84.95). Add an unusual type of engine to your roster - an easy evening's project.