Hey everyone!

The heartline twister has an Upper Transfer and a Lower Transfer element that can be used to switch between forward and backward facing cars. This element actually also works on other rollercoasters, and changes the vehicles into an alternate vehicle. For example if you run a Twister train through it, the nose part of the vehicle will be changed into a vehicle with seats, and all the vehicles with seats will be turned into nose parts. However, if you run a train through it which has only one vehicle type, like the floorless rollercoaster train, all the vehicles will be turned into little green squares which use the grass color. These green squares can be used for many cool tricks!

Some people have used these green squares underwater, to make them look like fishes that are swimming around. Some people have used them to represent wind. Something which I like to do is make a custom palette where I edit the green color so the color of the squares changes. I then for example use the squares as white starts on a black background. There's lots of possibilities! One thing you need to keep in mind is that these squares tend to be very noisy when they are going fast!