Take your BRIO World train sets to new heights with the 33995 Ascending Curves Track Pack. These twisty-turny, uppy-downy tracks bring speed, height and a splash of colour to your railway tracks. Use this train track set on its own as a closed-circuit track or build it into any existing BRIO World layout for added height, speed and fun. 33995 Ascending Curves Track Pack includes16 pieces; 2x plastic ascending curve tracks, 2x ascending curve supports, 2x wooden ascending tracks, 4x wooden curve tracks, 6x supporting pillars.