Add some elevation to your wooden train tool box and build your own custom rail bridge! Use the risers for a quick lift, or stack them double-high to create a lofty mountain line. Includes two rail bridges, a 2-piece brick bridge, six ascending hill tracks, and twelve risers. Set perfectly complements major brands of train toys and adds some character to any railway design. 22 pieces in all. Designed for ages 4 and up.