I like this bag. It fits the treat & train well and you can even use the Treat & Train without taking it out of the bag, which is very convenient. The rear pocket holds the remote. I had hoped that the rear pocket would hold spare batteries, just in case, and it can hold extra batteries for the remote, but it's too tight to hold extra 4 D batteries needed for the main Treat & Train itself. Oh well. You don't have to change the batteries very often. I do like the bag and would buy it again anyway.