Accessories for the marble run system. Recommended for ages 8 and up. Number of pieces: 6. Made from plastic. Playable only with a separately available starter set. Includes instructions. The GraviTrax element Looping guarantees thrilling action. How fast do the marbles need to be to defy gravity? The Looping element turns the world of marbles upside down for a brief moment. With incredible speed, the marbles fly through the Looping, temporarily overcoming gravity. Combined with any GraviTrax starter set, the Looping element flips the marbles in the marble run upside down. How much momentum does the marble need to make it through the Looping? Ravensburger has been a staple in children's rooms in Germany and around the world for decades and is the leading provider of puzzles, games, and activity products in Europe, as well as children's and youth books in German-speaking countries. 85% of the products are manufactured in Europe and are sold worldwide from there. The Ravensburger publishing house was founded in 1883. A year later, in 1884, the Ravensburger game publishing company was established. It celebrated its first milestone with the bestseller "memory." Since 2009, the company has also embraced new technologies with the establishment of its subsidiary Ravensburger Digital GmbH. It combines the classic world of games with intelligent electronics, enabling interactive learning.