Crescent Locomotive Works S scale service platform kit. The kit comes with parts for 2 short cab access platforms. The cab access platforms measure 4” long X 1 ¼” wide X 1 3/8” tall. The long platforms are 16 3/16” long X 3/4 wide X 1 3/8” tall. They can be used in an Engine house or Roundhouse or in a service yard as well. Constructed from Basswood and thin Plywood and can be assembled with wood glue or CA adhesive.