Prototype: Type Kklm 505 low side car and a gondola paint and lettered of the fictitious Triberg Waldbahn GmbH (TWB). Model: The low side car is loaded with dressed lumber. The gondola has a load insert of "wood shavings". All of the cars have Relex couplers. Length of the freight car set 23.0 cm / 9-1/16". Contents: 5 no. 24188 straight track, 4 no. 24172 straight track, 1 no. 24224 curved track, 1 no. 24612 right turnout, and 1 no. 24977 track bumper. Plastic kit of a "sawmill". Highlights: Sturdy models – ideally suited for children ages 6 and above. Track to expand a C Track layout. All kinds of play fun with the theme of forestry. Charlie's Tip: This extension set goes well with the 29310 "Forestry" starter set and can even by expanded by the 44310 "Forestry" car set.