Orbrium Roller Coaster Expansion Pack Set Fits Thomas Brio Wooden Train Uniquely, exclusively from Orbrium Toys, one of a kind layout!!! It is the little engineers dreams to run their favorite train characters down the roller coaster!! Easily connected to your existing layout. Includes 10 beautifully decorated spiral columns and all necessary track pieces. Altogether 27 piece count set. 100% Compatible with Thomas and Brio Wooden Railway System.