Skyrail Suspension Basic, Q6630, Quercetti Quercetti Skyrail Suspension Basic With Skyrail Suspension you can build fantastic ball tracks, up to 5 meters long. Skyrail Suspension has been carefully thought out to use balls of different sizes and weights, which allows you to make experiments and discoveries from the world of physics (speed, gravity, resistance, centrifugal or centripetal force) and intuitively understand the basic principles of physics . The set contains: 7 straight rails. 12 curved rails. 5 bases. 8 balls. 9 columns. 16 consoles and joints for itself. 6 connecting wires with hooks. 18 track connections. The game is intended for children aged between 7 and 14 years. This toy is not recommended for children under 3 years old because it contains small parts that can be swallowed. All Quercetti toys are made to stimulate childrens creativity and intuition through play. Creativity is an essential element to enhance healthy development, and through Quercetti toys, children develop new physical and mental skills and also learn to solve problems. With Quercetti, children play smart!