Ready,Set...Go! The Quercetti Skyrail Race is a roller coaster with a double track where you can compete in spectacular races with marbles. The two parallel tracks are assembled using suspension wires, designed to be used with multiple marbles. The suspension wires are not only to keep the structure stable but also to allow you to change the elevation of the tracks. Now you can race against friends and family with marbles or with the illustrated and shaped carboard car planks! All of this makes for a game of exceptional and unique educational value, ensuring long hours of play in complete safety. 10-meter double track Built using suspension wires, keep the structure stable and change the elevation of the tracks Teaches basic principles of mechanics and physics, such as gravity, speed, inertia and weight Build and rebuild with many combinations to be made Educational and fun - learn about physic and mechanics Promotes creativity and develops cognitive and motor skills Marble trolley is 5cm long Cardboard car planks fit inside the marble trolley With 14 straight tracks and 24 curved tracks 4 bases,12 columns and 38 joints 3 marbles for marble racing fun 2 tie-rods other 86 pieces 1 manual with examples Made in Italy Suitable for ages 7-14 years