This extension set contains additional track sections and blocks to expand the track layout from the "Airport Express - Elevated Railroad" starter set. This is an expansion for the track layout for the Märklin my world Elevated Railroad in Levels 0 and 1. The track sections have a colored identifier for easy setup of the track layout. Contents: 24 curved track, 48 blocks for elevated railroad pillars, 6 adapter blocks for mounting the track. The track sections and blocks are made of sturdy plastic just right for children. Instructions for setup are included.