they are hard to find actually. I got mine from a pop up shop for $20 CDN. I regretted it once I open the box. i only kept the swtiches and the 2 coaches, I donated the rest (minues thomas as I am not sure if I want to give it to a 3 year old) to a charity shop.
My Trackmaster/Tomy/Plarail Photo Gallery Page (over 600+ photos and still under construction)
https://www.flickr.com/photos/183311600@N03/
https://www.flickr.com/photos/183311600@N03/