USRA 55-Ton Hopper

USRA 55-Ton Hopper Premium Instruction Kit   Our second premium instructions, for the USRA 55-Ton Hopper Car! See our video review here The USRA 55-Ton hopper was designed by the United States Railway Administration during World War I as a standardized hopper to be used by all railroads in order to aid the war effort. After WWI many railroads continued to use the USRA 55-Ton hoppers, as well as build many thousands more clones. The USRA hopper was in use on North American railroads from 1918 until the 1970's Our premium instruction kit contains the following: 1 professionally printed instruction book with full color instructions, part list, prototype information and building tips. One complete set of Ball Bearing Wheel Sets (4 axles) with black bricks and wheels. Enough to build one car. These wheel sets come fully assembled, with ball bearings preinstalled in new LEGO® Technic bricks, custom sized axles to fit the bearings, washers to prevent wheels from rubbing the bricks and causing