Add-On Car Set for the Freight Train. Gauge: H0. Prototype: Add-on car set consisting of 1 gondola, 1 dump car, and 1 stake car in bright color schemes. Model: All of the cars have magnet couplers. The hopper on the dump car can be tipped to both sides. Packages and sacks for loads on the cars are included. Total length of cars 33.6 cm / 13-1/4". Highlights: Packages and sacks included provide all kinds of play possibilities. Magnet couplers make coupling cars child"s play.