933-3098 Valley Cement Plant KitThe Walthers Cornerstone Valley Cement kit gives you the structures you need to add a realistic cement factory to your HO Scale steam or diesel era layout. Cement is one of the most popular of all building materials. Modern cement is made in special plants consisting of several buildings, each handling a step in the manufacturing process. Four structures Great for diesel era scenes Rotary kiln easily motorized with Motorizing Kit 933 1050 Realistic