I bought this to replace the one our kids broke. It didn't fit in the original space so I took it apart and just used it and replaced the real train which was too big but I got it working. If used as a spare, the external dimensions may be correct, but the inside may be a different story. If you know where your original came from (which I didn't because that's how I bought the house) I would suggest buying there for an accurate fit.
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