BACHMANN BOY SCOUTS OF AMERICA HO SCALE STREAMLINED CABOOSESTREAMLINED CABOOSE WITH OFFSET CUPOLA BOY SCOUTS OF AMERICA Model: 14007 Shipping Weight: 0. 5lbs Scale: HO 1: 87 STREAMLINED CABOOSE WITH OFFSET CUPOLA Boy Scouts of America HO Scale. The original design of this Streamlined (sometimes called Offset) Caboose was built by the Chicago, Burlington, and Quincy Railroad. The crew sat in elevated seats to inspect the train from the cupola while the train was moving. The caboose also provided the train crew