Since we are talking about the loop anyway, take a look at how the 1x4 thin wall bricks slide on the bottom of the track at the top of the loop to keep the train on the track.
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[Previous] -- [Matt's Lego Roller Coaster] -- [Next]
Since we are talking about the loop anyway, take a look at how the 1x4 thin wall bricks slide on the bottom of the track at the top of the loop to keep the train on the track.
[Previous] -- [Matt's Lego Roller Coaster] -- [Next]