Ready, departure developing. Comes The all-new Skyrail race: a Ottovolante Double Track, with which boos in spectacular races of marbles. Parallel Two tracks, from build with the help of rods, for use with more marbles simultaneously, for playing in company, or launching in departures differentiated. The rods not only serve to ensure the stability of the structure, but also to adjust the gradient of routes and customise the most tender. Skyrail race will allow you to make interesting observations, experiments and discoveries in the world of physics (speed, gravity, centrifugal force, friction) and intuitively understand the fundamental principles. All this makes it a game by an exceptional and unique educational value that ensures long hours of gaming, in full safety. Challenge your friends in racing pontoons of marbles.