Hello, I was looking for good organizer for my trains in TTR, unfortunately I can't find anything comfortable in use. So I create this. This organizer is fitting to orginal insert and can contain 45 trains. It can be used in any core version of TTR I think (USA, EUROPE, NORTH). I test it with polish distribution of EUROPE and NORTH. This organizer contains two little gaps on botton part, it is existing to interweave a ribbon for easier pulling out.