Anyone tried this?

Very Interesting.  I'd like to know the width.

I looked at this recently .    My concern is how to connect it to make longer than 13ft.  Also how to connect to start and finish gates.

I think the benefit to this one over the other 'roll out track', is that it is somewhat flexible.  This could make it easy to make curves and bends in a course without needing to use 90's/180's, or figuring out how bank to use.  This could be laid over whatever you use to build the base with and with some sticky back tape or something, might work pretty well.

So at that price tag, it could be better than the 15' roll out tracks, and without the need to buy extra turns, the base of the course layout may prove smoother.

But yes, one would need to have access to a 3d printer or friend who knows how to use one to build a custom adapter to go from a Hot Wheels track to this style of track.  Forgot to mention, you would also need a way to hook up TWO of these tracks together so you could end up with a nice road course out of it.

I think for curves it would need glued down
and if you wanted flat straights, too

seems too flexy on it's own.  also the last pic is a larger scale 3 lane blue
makes me wonder about the seller

$40 gets ya about 80' at dollar tree

dr

(fixed but gnome one (one gnome???...) noticed)