Marklin Airport Express Viaduct Railway Supplementary Set This supplemental package contains additional track pieces and building blocks for expanding the track layout from the Airport Express Viaduct Railway starter set. The track pieces are colour-coded so that the track layout can be easily built. Specifications: Colour: grey Material: plastic Gender: junior Package dimensions: 32 x 23 x 8 cm (L x W x D) Age: from 3 years Works with two AA batteries (included) Contents: 24 Curved track pieces 48 Building blocks for the viaduct railway pillars 6 Adapter building blocks