I've just found these out and I'm tempted to get one! If only I had more room to use something like this... if they make the small size and it's cheaper maybe I'll do it for real!!!
Take a look here, at the end of the video there is also a bigger track with a triple!!!!
If only I had more room to use something like this... if they make the small size and it's cheaper maybe I'll do it for real!!!