MIK1 Extension Kit for 1853 Expands: 1853 1992 edition: Adds 25 Assorted yellow tiles to the game. 4 × #3 4 × #4 1 × #71 2 × #72 3 × #73 2 × #74 1 × #75 1 × #76 1 × #77 3 × #78 2 × #79 1 × #113 1999 edition: Adds 16 Assorted yellow tiles to the game. From the Sheet that comes with it: This Kit consists of 16 extra yellow track titles that may be added to the standard game. This increases the number of tiles that are available for the development of new areas of the board and is particularly useful to those who like to lay a lot of metre gauge track. Includes the following tracks: 2 × #3 2 × #4 2 × #73 2 × #75 1 × #113 1 × #71 1 × #72 2 × #76 3 × #78