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I bought this as a set of 3 a b and c extension packs to make a inner circuit and extended sidings. These did this well It did take some time to find the hole in the track to add the power clip and figure how to wire it. Instructions not clear had to Google it. But it worked well so the train could be driven on both tracks and siding making the boring introductory oval more interesting.
The points in my pack (the most expensive part) had a short circuit that means they won’t work with DCC (it shorts out the controller). This is the second set of points from Hornby I’ve had with this problem. Very disappointing. I’ll probably go for Peco in future